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Win7 boot failure, DVD unable to reinstall/boot

Q: Win7 boot failure, DVD unable to reinstall/boot

Hey all.
This is probably the biggest problem i've encountered with windows ever and i actually suspect its my hardware but not sure how to prove it and what step to take next if it is.

I have w7 installed on a SSD 64gig (C ) and most of my apps/games etc on a standard 1tb HDD (E )

The problem:
-as of yesterday, on starting the computer, windows 7 fails to boot, it goes to the w7 splash screen for about 15secs and then the monitor flickers off and the system restarts. W7 then gives the option to start normally or in repair mode.
-I've gone through repair mode now and tried both the startup repair (9 times, it finds no specific problem),
-the system restore, which lists 3 possible restore points (each one says success but then the same loop as above occurrs anyway)
-Ive also tried the bootrec commands via the command prompt available in system recovery.
-When i try to boot in with safe mode it goes black with a cursor and stops there
-when i try to boot via the dvd, it loads the windows background and cursor and stops there.
-In safe mode via the dvd it loads black screen and the 'safe mode' text in each corner and white cursor and stops there.

so at the moment i can't actually even do a repair or even clean reinstall via the disc which is pretty disturbing.
I've also tried chckdsk and used chkdsk /fix. this did report problems on the C drive and the /f run did say it corrected things on the ssd but still i am unable to load or boot via safe/system recover or even the W7 dvd.

The system is about 3 months old and was running sweet until yesterday. Im thinking this is the SSD completely failed. what shuoldi do .

Preferred Solution: Win7 boot failure, DVD unable to reinstall/boot

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link http://downloadreimage.com/download.php. (This link will automatically start a download of Reimage that you can save to your computer.)

A: Win7 boot failure, DVD unable to reinstall/boot


All these symptoms point to a hardware issue to me as well. In particular, the part about the monitor flickering off draws my attention, because I wonder if it is a video card problem.

Do you have another graphics card you can use? If you are using a real video card, use the onboard graphics to test with if you have them.

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Hi there.

Just the other day I was using my pc perfectly fine as I would every other day, I turned it off via the shutdown button & the next day I went to turn it on, BIOS booted up fine, drivers..etc.. Then it starts to load a white loading bar at the bottom of a black screen.

The bar fills up, but then just comes to a hault, Not entirely sure why. I tried changing over the cables connected to my HD's and it turns out one of them will boot the BIOS & go to a black screen and the other will boot the BIOS & go to the white loading bar.

What makes it even worse is that I own a ps3.. really bad timing.

A:Win7 Failure to boot.

Do you have a Windows DVD in the drive, and what is the order of HDDs in the BIOS?


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I installed Win7 RC, everything was OK for a few days. This morning I turned it on and it can't boot up properly. WerFault.exe, runonce.exe, explorer.exe, and misexec.exe all fail to load. 0x77243892 error, says the memory could not be read. Only thing that shows up is a black screen with the Windows 7 Evaluation copy. Build 7100 on the bottom right hand corner. I went into safemode and did a system restore on its recommended restore point, but it's doing the same thing once Win7 tries to load. Any ideas?

A:Win7 RC Boot Failure

Possibly bad memory? How many sticks do you have? Maybe try 1 stick at a time?

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I had experienced slow boot time since 30 days ago (aprox 4 minutes). I don't remember any software install or significant change that may be caused that issue. Since yesterday, my system was unable to start. Tried Win7 Repair, but no sucess. Tried to install again, fail. By doing some research, I detached my 3 SATA HD's (RAID) and install was 100%. After Win7 reinstall on SSD, all drivers installed, I re-attached my 3 SATA HD's (RAID) and slow boot issue came back :-(

My RAID is 100% operational according to system's BIOS. I'm able to create, delete and recover my past installation files within this RAID.

But, even after a fresh install of Win7, with my RAID disks attached, the boot time is very slow.

Can you guys help me?

My system is i7 9600K, 16GB RAM, Kingston 64GB SSD, 6TB RAID 0 (3x2TB), Asus P8Z68 Deluxe.


A:Slow boot time even after Win7 reinstall

Try resetting your CMOS, software connections between the BIOS and hardware, and temporary memory:

1. Backup your system and user files for the RAID drives.
2. Go into your BIOS and load default settings to clear the CMOS memory.
3. Save Settings and exit the BIOS.
4. Shut down and turn off the computer.
5. Unplug the computer from the wall or surge protector (then remove the battery if it is a laptop).
6. Hold down the power button for 30 seconds to clear the software connections between the BIOS and hardware and clear any corruption in the temporary memory.
7. (If it is a laptop, plug the battery back into the laptop and then) Plug the computer back into the wall.
8. Turn it on to reinitialize the software connections between the BIOS and hardware, and post back how it runs.
9. Setup your RAID drives again.

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I have a strange problem with my current rig-except a cold boot-on the last few weeks.
Whenever I boot the first time of the day (never happens on reboot) Windows is trying to reinstall the GPU drivers as you can see from the pic

I have no idea why this is happening. Anyone with similar problem by any chance?



A:Win7 insists to reinstall GPU drivers on boot

Hendor try these first mate


http://www.sevenforums.com/tutorials/433-disk-check.html < DO NOT run on a SSD

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Hello Windows Seven Forums,
I come here hoping you can help me both understand and determine how to fix this little issue. I've recently done a complete reformat of all three of the drives in my desktop and installed Windows 7 on (what I thought) was the largest of the three. Whether it was because I wasn't paying attention, or because the disk formatter is somewhat confusing, I seem to have somehow split the boot information and the windows install onto two separate drives.

First I would like to understand what the Disk Manager is showing me. I see four entries in the Disk Management tool. The first three (labeled Disk 0, 1, and 2) seem to be physical hard drives (each corresponding to one of the hard drives I have, each with a single partition). Below that is a single entry marked CD-ROM 0. Okay, simple enough so far.

I see the following:

Disk 0: C: - 698.63 GB NTFS - Healthy (Boot, Page File, Active, Crash Dump, Primary Partition)
Disk 1: F: - 232.88 GB NTFS - Healthy (System, Active, Primary Partition)
Disk 2: D: - 232.88 GB NTFS - Healthy (Primary Partition)
CD-ROM 0: DVD (E:) - No Media

The three disk entries are what I am interested in. From what I have discovered online, and please correct me if I'm wrong, each of these "tags" indicates something about what that drive is used for.

Boot - This drive contains Windows 7 (NOT the boot information, which would make sense)
Page File - This drive contains the paging file
Active - ???
Crash Dump - ??? (Crash D... Read more

A:Changing Win7 System/Boot Partition without Reinstall

I'm not certain that I have followed everything that you said, but drive 0 should contain everything that it says that it does. These functions do not need separate drives or volumes. Which OS that it contains is not clear from what you said. It may be a bit late to say so, but I always strongly recommend installing each OS on separate drives...while all other drives are disconnected. This results in each OS being able to be booted from the F8 BBS Popup Menu and being entirely independent of any other OS that you may have installed.

As far as a direct answer to your question, I will have to defer to someone else who better understands how to deal with the boot functions of the OS.

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I was using my computer yesterday when the power in my house tripped out.
After getting the power back on, I restarted my computer. It said, 'starting windows' and I get the boot animation. After a while the screen goes black and then the brighter black (just before the mouse pointer and then the login screen appears) and then, nothing, and my monitor says 'no signal.' I've tried the boot repair and it said the computer could not boot last time (correct), then it tried to automatic repair, which it could not do.

I tried a boot repair a second time and it said it could not find any errors, but the system will still not boot (same original problem)

Any pointers would be most appreciated.


A:win7 will not boot after power failure

Quote: Originally Posted by sledgehkg

I was using my computer yesterday when the power in my house tripped out.
After getting the power back on, I restarted my computer. It said, 'starting windows' and I get the boot animation. After a while the screen goes black and then the brighter black (just before the mouse pointer and then the login screen appears) and then, nothing, and my monitor says 'no signal.' I've tried the boot repair and it said the computer could not boot last time (correct), then it tried to automatic repair, which it could not do.

I tried a boot repair a second time and it said it could not find any errors, but the system will still not boot (same original problem)

Any pointers would be most appreciated.


Hello there!

Run Startup Repair Startup Repair - Run 3 Separate Times

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This is very strange problem. I have a "DISK BOOT FAILURE" error during startup. I just installed Ultimate x64 and now this error appears. It was OK on Ultimate x86.

I detached all hard drives and USB devices except system disk and DVD ROM and still error appears. I booted from installation disk and ran repair and still error appears. I booted again from installation disk and ran next cmd:

bcdedit /export C:\BCD_Backup
cd boot
attrib bcd -s -h -r
ren c:\boot\bcd bcd.old
bootrec /RebuildBcd

and still error appears.

The only way to run Win7 is to insert installation disk to DVD, wait until message "Press any key to run from cd or dvd", DO NOT press any key and wait. In a few seconds Win7 starts.

Does any one know how to solve it? Thanks!

A:Disk boot failure on Win7 x64, x86 is OK

Download Visual BCD Editor - Windows 7 & Vista Dual Boot Repair. Install.
Run Dual-boot Repair utility - "Automatic Repair". Reboot.
That would be all.

It is strange but the tool fixes booting (also for single boot systems) when StartUp Repair fails !? All the tools does is executing bootsect.exe and bcdboot.exe with the needed parameters.

Four elements are needed for boot menu to be displayed:
1) MBR (can be fixed with bootsect.exe)
2) PBR (can be fixed with bootsect.exe)
3) bootmgr (can be fixed with bcdboot.exe)
4) BCD in \boot folder (can be fixed with bcdboot.exe)

Always use correct bit version 32 or 64 bit of Recovery CD/USB - must match your Windows bit version !

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Hi, I'm having the exact same problem as here. Same scenario as well, after the power was tripped this problem occurred.

I'm currently running start up repair for a second time, the first time I ran this it stated their was no error. I have unplugged mouse an keyboard, in the hopes my pc will miraculously work again like the previous guy.

A:win7 will not boot after power failure

Quote: Originally Posted by TokerLogic

Hi, I'm having the exact same problem as above. Same scenario as well, after the power was tripped this problem occurred.

I'm currently running start up repair for a second time, the first time I ran this it stated their was no error. I have unplugged mouse an keyboard, in the hopes my pc will miraculously work again like the previous guy.

Post it following the Blue Screen of Death (BSOD) Posting Instructions.

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I dunno what happened everything was working great on my laptop with windows7 ultimate 32

I installed kaspersky and asked dor restart, after that I got boot failure and then a grub>

A message above says: Minimal bash like line editing is supported

F8 safe mode not working
Tried windows repair and nothing happened

Please help

A:Win7 boot failure grub


Are you dual booting windows with any Linux distro?

If so, try to update Grub. The process might vary depending on the linux distro used there.

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Alright, these are two posts that I made on a different Windows 7 forum. Just trying to spread my effort to get the most replies possible. The first one was posted about a week ago after a few days of various issues leading up to catastrophic failure of the PC. The second post that I post as a reply is my follow-up tonight about what has happened since:

Over the last week, this computer has become more and more problematic. Just to get it out of the way, I can, with 99.9% certainty, rule out viruses or malware, as I'm extremely careful and use Malwarebytes, AVG, and Firefox with Noscript. My computer has been virus-free for years. Every scan (the above two, Spybot, Avira, Ad-Aware, Bazooka, HijackThis - all scans have always been clean for years). Keep in mind that this computer was functioning flawlessly up until this week. This hardware setup is from 2008 and I am using the same Windows 7 disc that I installed on it three years ago. This is the second format and re-installation since I built the computer. No problems the last time, which was about a year ago.

About a week ago, I started getting random squeaks and buzzes out of my speakers - especially when a progress bar is moving in a browser. I figured this was a power issue. Three days ago, my Windows volume control stopped responding. I'd click the icon in the taskbar, and it would take a good minute or two before it would show up. Then I wake up a few days ago, and the computer is frozen and the speakers are maki... Read more

A:Slow, catastrophic failure, format and reinstall, now fails to boot.

One week later:

Here's what's happened since that last post, and the details may be a bit flaky, as it's been about a week since I actually touched this computer:

After I got Windows formatted and reinstalled during my original post, I finally got the chipset drivers to install after about an hour of the installer hanging. This changed nothing, so I decided I might as well just try another format and reinstall. This time, I ran the Chipset installer, and it was nice and fast. The installer asked me to restart my computer, so I did, and when it tried to boot again, I got a "Bootmgr is missing. Press Ctrl-Alt-Del to restart." error. This happened unstoppably, so I tried formatting and reinstalling Windows a couple more times because I figured maybe Windows was missing some essential boot files.

Every reinstall, I just kept getting the same error. Then occasionally, I'd get a "Disk Read Failure. Press Ctrl-Alt-Del to restart." error. Just like last week (but not before these problems started), the Windows installer has taken an eternity to even open the "Install Windows" dialog, taking fifteen minutes or so between clicking "Install Now" or "Repair Tools" and actually having the next window appear. As of now, I haven't actually gotten Windows to boot in a week or so, still getting these same errors. I tried the "Startup Repair" tool, but it ran and found no problems that could be repaired.

I ran a Command Pr... Read more

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Hi guys
I?d be very grateful for a bit of help please.
My 3 year old Samsung RV720 laptop wouldn?t boot into Windows 7 today ? , was fine yesterday, but today it just hung at the Win7 startup logo.

I haven?t installed anything new on the laptop since July (except Windows updates) because I only really use the laptop for photography hols away from home, and to watch catchup programmes on my TV each day from the BBC and Channel 4 here in the UK, whose websites can be trusted.
I tried to reboot it from the recovery console, in safe mode and also in safe mode with command prompt, it hung as soon as it started loading drivers.
I tried to start windows from the recovery console with the last known good configuration and it hung at the startup logo again.
I checked the bios and my 4mb of memory in 1 slot is listed and my 750gb hdd is listed in the boot priority, CD first, HDD second, same as usual.
I tried to invoke the Samsung recovery via F4 at boot and I got the message ?an error occurred while attempting to read the boot configuration data? and error code ?0xc0000225? and telling me to insert recovery disk.
I tried to use repair your computer from the built in recovery console and it loaded files but it hung at the first blue Windows background screen (with the leaves and the bird), just a cursor never got any text or options.
I tried to run repair your computer from my bootable rescue disk and from a second bootable Win7 system repair disk,... Read more

A:Windows 7 boot failure: error 0xc0000225: can't repair or reinstall

Wow, you really tried a lot of stuff. Good on you. One thing ... you stated you ran Seagate Tools and got 'no hard drive' then you ran the Samsung tools and got errors. Is the hard drive a Samsung or a Seagate? Each manufacturer has its own hard drive tools, so if you don't have a Seagate, that's why the Seagate tool said there was no hard drive installed.

Even within a manuf they sometimes have different tools for different series' of drives. So first thing is, I'd find the exact model of the hard drive, then find the tool for that exact drive from the manuf and run that tool.

The mem test could also be a problem, but if it were me I'd start with squaring away the HD. If I kept getting errors trying to do that that I thought might be due to a bad memory stick (i.e. stick of RAM), then I'd swap that stick out with another if I had another compatible stick on hand. But as far as the odds, it's more likely the hard drive is having a problem than the RAM stick. RAM has no moving parts and while a stick can certainly go bad, the hard disk is more vulnerable and more likely to develop a problem. JMO.

EDIT: I don't know if you have any Linux Live drives (memory sticks with a bootable portable version of Linux), but if you do you could boot from the mem stick into Linux, then mount the internal drive from within Linux and format it from there. This would of course wipe all your data but you have already tried steps to reinstall Windows so I am assuming you don't mind. Once the d... Read more

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I've recently installed windows 7 RC on both my laptop and PC. Installed from a bootable DVD from PC Authority magazine. The laptop works absolutley fine, no problems at all.

I installed it on the PC today, all went fine. The only problem is, when I reboot, I get disk boot failure unless the bootable windows 7 DVD is in the DVD drive. The boot device priority must be set to CDROM first HDD second, and once that's the case windows boots just like normal.

It's fully activated etc etc, and I can't for the life of me figure out why this would happen. Requiring the boot CD every time just to start windows?

Oh and the HDD it's installed on is brand new, just arrived today, and like I say, installed without incident, runs without incident, just needs the DVD to get going. It's not the end of the world but it's a nuisence having to have the DVD in there every time I boot.

Any advice would be great



an update
I was reading around and it was suggested that I pop into disk management and make the c: (where win7 is installed) "active". I did this, rebooted, and now I get BOOTMGR is missing instead. I've tried a repair directly from the win7 DVD to no avail


a second update

after running the repair from the DVD a second time, it behaved differently to before. Now all the error messages are gone, it boots directly to windows without the DVD. YAY

hope this helps anyone else who comes across it.


A:Disk Boot Failure unless Win7 DVD in drive

For curiosity?s sake, did you have multiple hard drives on this machine?

I?ve seen an instance in XP where the system, boot, and active sections of the OS were on different partitions. I could get the system to boot if the XP cd was in the drive. I never ran across a fix other than reloading. As a rule now I always disconnect secondary drives when installing an OS.

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I rebooted my ProStar Win7 Pro PC 4 nights ago,and it would not boot all the way up. It got as far as the black screen with the "Starting Windows" phrase and would not go further.

I rebooted, at which point Startup Repair tried to fix the problem but couldn't. I wrote down the results (the details are in the attached txt file). The results said something about a "bad driver." I was able to get it to boot all the way, and at that point I applied my most recent Restore point. As far as I can tell, it was successful, and I have not had a boot problem since.

The reason I'm posting this is because I figure I still need to solve the driver problem, and I'm not sure what I should do next. I've done the following:
-I ran chkdsk which found no problems (results attached)
-I ran sfc /scannow multiple times, both before and after running the SUR tool. The results were the same each time - the only errors found were some files related to Windows Update KB3068708 that I later discovered were not actually corrupt (that's a whole different thread). The most recent results are attached.
-I ran the SUR tool, which found no errors. (Logs attached)

So - any ideas?

A:Win7 PC boot failure - bad driver to blame?

I also ran Norton Internet Security and Malwarebytes Anti-Malware. Neither found any evidence of any infections or issues, with the exception that Norton found and removed some tracking cookies.

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hp Media Center m7590n

Was booting inconsistently so son tried to recover. It came back with a "code Purple", which I understand is an embedded code that tries to match the SW to the hard drive. So I tried the recovery disks that we burned when new. Said that the recovery disks did not support this PC. So I am guessing that the embedded code that is "Purple" is somehow corrupted. The recovery disks were most definitely from this computer.

Anyway the son then did something with RAID, which blew it up and now all I get is "DISK BOOT FAILURE INSERT BOOT DISK AND RETRY"

Would it be possible for me to buy a retail version of Windows 7 and boot/recover with that?


A:hp Media Center PC - boot failure: Can I go to Win7?

HP don't have W7 drivers for this machine, but they do have Vista 64bit drivers (which may or may not work), if you feel like a gamble.

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I could use some help. I'm now thinking I bought the wrong Win7 Pro disk (System Builders). I built a new PC and thought this would be the right version for a brand new install but now I have my doubts. I am trying to boot from DVD drive (Win7 install disk). My bios screen (Gigabyte GA-P55-UD3) allows me to hit F12 to boot, and then select CD/DVD drive. I just get a "disk boot failure, insert system disk and press enter".

More background: I want to load Win7 to OCZ Vertex2 SSD in AHCI which I configured in the bios and also selected 64-bit under power mgt bios screen.

Any thoughts? Presently hung up here hoping an expert can help me troubleshoot Sunday noon. Thanks!

A:Help Please: Trying to install Win7 Pro (disk boot failure)

What is your Make & Model of DVD drive ? Sata or IDE ?

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Today I received a new Acer AL2015W LCD Monitor, and I plugged everything in and it booted Windows just fine...it asked me what type of resolution I wanted and (being the noob that I am) I wasn't sure, and one of the options was preview...so I chose that...when it changed it to one of the resolutions my screen went blank...

So I shutdown my computer manually...and attempted to restart...it got past the first few screen but it would not get to the windows screen...and I also didn't here the windows startup chime...

So I attempted to start it up in safe mode and it would get stuck on this page...

As a last resort I attempted to reinstall windows...and when I got past the agreement page or the page that you have to push F8 I got a blue screen error...

This error said...


and the numbers it gave were...

(0x00000043 0xc2554000 0x00000000 0x00000000)

I have tried removing the sound card, taking out one stick of ram, reseting the bios, placing the video card in the other pci slot, and still no luck...

Any help would be greatly appreciated,

A:Unable To Boot/reinstall Windows After New Monitor....

When reinstalling windows did you format your drive or just install over your existing installation?

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Today I received a new Acer AL2015W LCD Monitor, and I plugged everything in and it booted Windows just fine...it asked me what type of resolution I wanted and (being the noob that I am) I wasn't sure, and one of the options was preview...so I chose that...when it changed it to one of the resolutions my screen went blank...

So I shutdown my computer manually...and attempted to restart...it got past the first few screen but it would not get to the windows screen...and I also didn't here the windows startup chime...

So I attempted to start it up in safe mode and it would get stuck in the very first part...

As a last resort I attempted to reinstall windows...and when I got past the agreement page or the page that you have to push F8 I got a blue screen error...

This error said...


and the numbers it gave were...

(0x00000043 0xc2554000 0x00000000 0x00000000)

I have tried removing the sound card and taking out one stick of ram, but no luck...

Any help would be greatly appreciated,

A:Unable To Boot/reinstall Windows After New Monitor....

The error reports a driver problem. I would remove the monitor reconnect the old monitor and try safe mode again. If you can get into the OS go to device manager and remove the old monitor software drivers.

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Hello. Upon turning on the computer, the recovery console loads - because windows will not boot.

Performed system dianogtic check - everything looks good.
Performed a system recovery successful but computer will not boot.
Performed a reset to factory settings successfully, but computer will not boot.
performed a command prompt reset - as was listed in another topic.
"bootrec /rebuildbcd"
"bootrec /fixmbr"
"bootrec /fixboot"
C prompt indicated successfully completed, but still computer does not boot.
Open to suggestions?
There are no important files on computer.
Anna (Toddanniesplat)

A:Win 7 - Factory Reinstall completed-still unable to boot

Hard drive diagnostic?



System manufacturer and model?

Currently under warranty?


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I'm using Win 7 x64 Home Premium, and if I install Adobe Premiere Elements 9 or Adobe Premiere CS5, my computer will fail to boot. It gives this screen:

Note: the computer cannot even boot the repair thingy by itself. It needs me to insert the Win 7 disc, and when I do, the repair is unable to find any problems.

System restore does solve the issue (I can boot into Windows 7 again), but then Premiere is gone of course. If I try to install again, same issue happens again.

Any ideas?

A:Installing Adobe Premiere causes Win7 boot failure

Where are you installing the Adobe products from-- DVD or download? Is it a trial, or not?

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i made the mistake of pluging in another machine hd wit my current machine and on start up there is a long beeep no display etc

the other hard drive had a disk error the intention was to run a repair on it from my current pc

except the pc tried to boot from it

now with that removed i cant turn my pc on at all

constant beep

how can i fix this

the mother board is a biostat TZ77XE

A:[SOLVED] 2 hard drives with win7 boot failure

A constant beep usually means that the RAM chip has become unseated or possibly has gone bad. Unplug the computer and reset all RAM chips (eg) remove the RAM chip and firmly push it back in till you hear it snap into place. Do the same for Video cards, power plugs to drives, and data cables to drives and motherboard etc. Screw it all down and restart the computer.
In the future if you want to test a HDD, you do not have to pull out the old one, just find a plug from the PSU not being used and use a different data cable to the drive and motherboard. If you don't have a data cable, unplug the DVD drive and use that. Or better yet, get yourself a USB Adapter, Enclosure or Dock and plug it in that way.

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My pc specs * asus z97-p motherboard * intel i7 4790 cpu * bequiet 630w psu * 8gig corsair vengeance ram * samsung 850evo 250gig ssd (win 7pro 64bit drive) * sandisk ultra II ssd 128gig ssd (win 10 drive) * 2x crucial 500gig bx100 ssd (data drives)

i recently rebuilt this into a new case and it had been working fine. Mainly using the win 7 os but more recently using the win 10 os more and more. The way it has been working is that win7 is the default boot and I have to hit the delete key on startup to select win10 to boot from.

today I was on win 10 but needed to reboot to 7. Upon doing so I hit this message:

Secure Boot Violation The system found unauthorized changes on the firmware, operating system or UEFI drivers.

It then gave me the option to boot to win10 as it is the next boot option on the list. Win 10 is now giving me the blue screen "memory management error" although I have been able to get into win10 after some more rebooting.

I ran SFC scanner and it told me that there were some problems that it cannot fix.

Everything is unplugged apart from mouse, keyboard hdmi to screen and ethernet cable. Unplugging the win10 drive from the mobo and switching the win7 drive to another port has not helped.

Has my ssd failed? has win 10 done an update that has caused this problem? It did update today, in fact the first error message I got was after win10 shut down, and when I booted into it again it installed some updates before launching.
thanks for any help!

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I have dual boot in my laptop with Ubuntnu 14.04 LTS and Windows 7 Home Premium 64 bit. Today after working on Ubuntu I restarted and switched to Windows and as soon as it logged in I noticed the battery was 0%. I thought maybe it was some kind of glitch or something (silly me!) so I just pulled the power supply and the laptop abruptly turned off. My laptop battery is completely dead now...won't charge at all and after that incident when I tried to log back into Windows it showed this error:

Windows failed to start. A recent hardware of software change might be the cause. To fix the problem:

1.Insert your Windows installation disc and restart the computer.
2.Choose your language settings, and then click "Next".
3.Click "Repair your computer."

If you do not have this disc, contact your system administrator or computer manufacturer for assistance.

Status: 0xc000000f

Info: The boot selection failed because a required device is inaccessible.

I don't have an installation disc, I tried pressing F8 and none of the options there helped. Ubuntu still works totally fine though. So I'm guessing it is not some hard drive crash and my data are fine in Windows but I just can't boot into it! Please Help!!

A:Dual Boot: Win7: Boot Manager Status: 0xc000000f boot selection failed

Are you using GRUB2 as bootmanager and is windows one of the options? Or do you start ubuntu from the win7 boot menu?

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Hi guys

It seems i have done something very stupid

What i did:

Changed my HDD to a dynamic drive - Windows warning said that i would only be able to boot main OS, but since i only have Win7 installed i went ahead.


Laptop won't boot at all tried recovery disc, but no luck. Just a black screen.. Can't even access BIOS

Any suggestions would be much appriciated!

A:Unable to boot win7

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Hi there, i went on break for about 2 weeks, and upon starting up my machine started getting a bsod for unmountable boot volume.
tired to restart in safe mode, but none of the options were working [when attempting safe mode, would load as far as file classpnp.sys], selecting anything would just loop back to the same bsod over & over.

i had a recovery tools/disk on USB [don't have any disc drives on this machine],
so plugged that in & tried running startup repair, but it fails. this is what i get:

after that fail, rebooting my machine no longer yields the bsod mentioned above,
but rather this lovely boot failure error 0xc000000f:

so tried the recovery usb again, this time with command prompt as the recovery tool & ran some stuff there,
below are my results...

- diskpart output:

- bcdedit output:

not sure where to go from here. i've been trying to fix this for 3 days now [spent NYE at home trying to fix this even ].
am hoping won't have to re-install OS cause it's been a while & i don't have the disk anymore [would probably have to install via usb shenanigans], any suggestions greatly appreciated

p.s. sorry for the terrible images, taking them all with my phone.

A:Boot failure error 0xc000000f win7 | cannot auto-repair

still haven't been able to fix, anyone have any ideas?

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Hi everyone,
My problem is as follows.
I installed Win7 Prof. 32 bits on my 1TB HD.
After that I decided to remove my 250GB HD.
Now I cannot boot to Win7 anymore, it keeps asking to insert a boot drive. For some reason, the BCD was saved on my 250GB disk, but I don?t want to use it anymore, I need that 1TB disk to be independant.

I?ve already tried booting from the Win7 DVD and using the bootsect command wth different parameters, but that did not solve my issue.
I tried the automatic boot repair contained in the DVD as well, with the same outcome.

Is there a way I can make my Win7 boot with that 250GB disk unplugged?

Thank you for your help.

A:Unable to boot to Win7 after removing HD


It sounds as if the System files (boot manager) were installed to the 250GB HDD. Lets confirm this - please follow the instructions here after reinserting the 250GB HDD.

Disk Management - Post a Screen Capture Image


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I shutdown my system after installing the latest set of Win7 patches about 3 hours ago and now it refuses to boot. Tried to restore previous points with no luck, it simply gets to the 'loading windows' screen with no animation and just hangs there.
In repair the reason for not being able to boot is "due to Windows patch", I'm at somewhat of a loss here...

Edit: Forgot to mention this is on a completely legal copy of Win7 64.

Cant get into safe mode as it locks before reaching the point which would allow me to enter it. Strangely enough though I managed to boot into the safe mode for windows repair (didnt even know it had one) and the diagnostic turned up with no problem found.

Not having much luck here.

A:Unable to boot due to Win7 patch

Try using System Restore in the Startup Repair.

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I keep getting this (image 2) and I am unable to boot at all if I manage to get to safe mode it immediately pops a screen with the first image and it restarts.Honestly I am not that good with computers but I cant afford to wait a week if i give it to someone

plese help!

A:failure configuring updates unable to boot

Reboot into System Recovery Options preferably on the disk, then run Startup Repair to see what it finds and if can't resolve the issue.

Normally Startup Repair will automate System REstore, but if it doesn't offer to do so then choose System Restore from the Options list to restore to well before the Updates issue occurred. This should set it back to where it was.

Now install Updates in smaller groups. A Restore Point is set before each group so that if it fails you can roll back. Then install each Update singly until you find the one causing the problem, or perhaps it will resolve itself being installed this way.

Do not be afraid of Windows Updates which problems are one in a million. Be sure you enable Device Installation Settings and then install all Important and Optional until there are no more. This is how the first driver-complete OS delivers its latest drivers.

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I have been running my desktop system under WIndows 8.1 since release, and I started having a problem the other day.

The system seems to have hung up completely, so I powered it down (it is usually up 24 x 7 since I use it as a DVR along with my computer usage).

It seemed to be ok when it powered up, but then a bit later it asked to reboot to finish installing updates.

It has not booted since.

During reboot, it displays the Windows logo and the spinning dots for a few seconds, and then the screen blanks, and my monitor loses signal. I have left it for quite a while and it doesn't come back. After some time, it goes into sleep mode (slowly flashing power indicator), so something is going on at some level. I have powered off and back on, and removed the power cord for a minute to see if anything different happened... it doesn't.

I have tried pressing F8 and Shift-F8 during reboots to try to get to safe mode, but so far no good. Last night, I used my laptop and seem to be able to access shares, but unfortunately it appears that the things I want/need most are not shared.

The bad part is that I haven't been able to locate my recovery disc, but I will continue to look.

I bought the system with Windows 7 right before 8.0 was released, and When 8.0 came out, I got the cheap upgrade and before loading it, installed an SSD for my C: Drive, and kept the existing HDD for my D: Everything has been running well until this incident.

Any ideas on approaches that may help me to ... Read more

A:Unable to boot Windows 8.1- possible failure during update

How to boot into Safe Mode from Windows 8 installation media, system repair disc or recovery USB flash drive? -> link

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Greetings all. Well, I haven't had to bug you guys in quite a while, but I find myself back begging at the door. The situation is a bit complex, but tantalizingly close.

The system has primarily run w7 for years, but still can dual boot the older Vista. I'm on the Vista right now. There are four physical drives. From vista, I can access the w7 c: drive as N:.

Problems began last night with power hit and failure of backup supply.

On boot, system wanted to check the disk, but complained it couldn't due to "recently installed programs." -- then proceeded to boot to w7 seemingly normally. I decided to do a system restore to prior to the program I had installed earlier in the evening, but restore complained that I needed to check the disk first. Trapped!

I went ahead and uninstalled the program that had been recently installed.

For the first time in ages, I booted to vista -- vista noticed the disk check issue on the win7 partition (I should note, both win7 and vista share the *physical* C: drive) and proceeded to successfully check it. There were about 5 orphan files and 5 index errors corrected.

I rebooted and came back into win7 successfully. However, I felt unsure about the state of that previously installed program, and decided to do a restore to just prior to its installation. Restore seemingly OK. System reboots.

At this point, win7 startup began failing. Apparently that restore was not the best idea I ever had.

Boot sequence proceeds normally thr... Read more

A:Close but no cigar: Complex Boot Failure after System Restore (Win7)

More info. Under Win7, control of the Winlogin is apparently under the registry path:

HKLM/Microsoft/Windows/CurrentVersion/Authentication/Credential Provider Filters

In my case containing:
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Provider Filters\{DDC0EED2-ADBE-40b6-A217-EDE16A79A0DE}

KLM/Microsoft/Windows/CurrentVersion/Authentication/Credential Providers
In my case containing:
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{25CBB996-92ED-457e-B28C-4774084BD562}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{3dd6bec0-8193-4ffe-ae25-e08e39ea4063}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{503739d0-4c5e-4cfd-b3ba-d881334f0df2}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{6f45dc1e-5384-457a-bc13-2cd81b0d28ed}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{8bf9a910-a8ff-457f-999f-a5ca10b4a885}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{94596c7e-3744-41ce-893e-bbf09122f76a}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{AC3AC249-E820-4343-A65B-377AC634DC09}
HKEY_LOCAL_MACHINE\test\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{e74e57b0-6c6d-44d5-9cda-fb2d... Read more

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Hi all. Any help you could offer is appreciated.

Running Win7 on an HP Envy 14 from a couple years ago. When I push the power button on the computer I see the BIOS screen. I'm able to load BIOS options and change boot order, etc. but once I let the BIOS execute I get a black screen with the words "boot error" at the top and a white cursor. Nothing else and the computer is unresponsive. Windows doesn't start loading at all.

Now, for unrelated reasons (I assume) my computer's always had problems booting from USB, SD and CD-ROM. I don't know if the fix boot record/system repair stuff will work, so before I go hunting for the CD I just wanted to ask if there were any other hack I could try to repair the BIOS or whatever is the problem. I have access to the files on the hard drive with an ATAPI bridge.

Thanks for any help you might have!

A:Unable to boot Win7, BIOS error?


Is it possible that the battery for the CMOS on your machine's MB is dead? You don't say how old it is in your post. I have had that occur but only once in all the machines I've built.

Just a thought!

Good luck


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Hi, I am having a problem that seems more like a Win XP problem, but since its part of my migration to Win7 and many people these days may be trying the same I dare to pose the question here in this Win 7 forum:

As I said, I am in the progress of migrating to Win7. As a transient solution until I have transferred and re-installed everything under Win7 I want to have a dual boot capability, i.e. I bought me a larger HD, created two partitions on it, installed Win7 on the first partition, and then I used a disk-imager (Acronis Disk Director) to copy my entire old XP disk 1:1 to the second partition of the new HD. I then set things up so I can choose between the two partitions using the Win7 boot manager. After some fiddling the choosing and booting in principle works fine.

BUT, when I try to start WinXP, I have the very strange effect, that the system at first boots and starts WinXP up fine up to the point where it presents the login screen. When I then enter my name and password my credentials at first seem to be accepted, i.e. I get a "Loading your settings..." dialog but to my dismay only seconds later that dialog always turns into "Logging off..." ([email protected]#@$&!) at which point the system hangs for some long period. If I wait long enough (~5 minutes) it eventually returns to the login screen again. I also tried to login as Administator but that failed as well (the error message mumbled something about no domain server to verify my id which is comple... Read more

A:Dual-boot Win7 & XP: unable to log into XP partition

Boot into the XP installer and run a Repair Install. This is not the "Choose R for repair" console first offered.

Proceed as if to install until it discovers the installation, highlight that and then choose Repair.

It will appear as though it is doing a new install but will save all of your programs, files and settings (everything except activation and Updates) while reinstalling XP and it's boot over the problem copy.

When it is finished, you need to then download EasyBCD and add the Win7 OS by name, drive letter and type as given in Method 2, Steps 7-15 here: Dual Boot Installation with Windows 7 and XP

Let me know if you have any problems as I am running one right now.

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Hey guys , this is my first post here .
I've been running win7 x64 for some time now . Now , i needed to install XP 32bit for some programs to run.
I had 3 partitions (C,D,E) on windows 7 which were nearly full(except C which was the boot drive) . So using the Disk Management tool of Win7 , i shrunk one of the partitions which created some unallocated space . Now i created a new partition in that unallocated space and named it K. It is in this drive that i wanted to install XP.

So, when i try installing XP on that partition , it just wont happen. XP recognises it as Unpartitioned space . I tried to select the 'Delete Partition' option to no avail. Im kinda stuck here and any help would be appreciated . Thanks

A:Unable to install XP on win7 (for dual boot)

You can consider this failure a blessing in disguise.
Installing an old OS on new hardware is problematic at best and almost impossible at worst. And that goes double for laptops. The initial problem is that XP does not natively support SATA hard drives which your computer is likely using. Thiis can usually be solved.

Another problem is availability of device drivers. The XP CD will not have drivers for new hardware as it did not exist when the disk was produced. You may or may not be able to obtain them from the manufacturer.

There are usually better options than dual booting with an old OS.

1. Try compatibility more. This is accessible from the programs properties dialog in Windows Explorer.

2. XP mode if is is available for youe edition of Windows 7.

3. Install a virtual machine such as VirtualBox or VirtualPC. You can then install XP under that.

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Hello all,

I'm trying to boot a Lenovo laptop off of a USB flash drive with Win7 installed on it, however whenever I attempt to do so I receive:

File: \Boot\BCD

Status: 0xc0000098

Info: The Windows Boot Configuration Data file does not contain a valid OS entry.

Any assistance would be highly appreciated.

A:Lenovo laptop unable to boot Win7

Fortunately, I was able to resolve this issue by re-installing Win7 onto the USB, however I've now encountered another problem:

When asked where to install Win7, no drives are appearing in the search field.

Any ideas as to why that might be occurring and how to resolve it?

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HP Pavillion DV7 with Vista. Got an imminent hard disk error (no back up and no Vista Recovery disks) probably from power outages. Ran chkdsk (yes, I should have backed up or cloned first) it was fixing errors and in stage 4 when the power went out. Now it will not boot, gives SMART error 1720.

I tried to make a boot disk with my old XP computer online, using Imgbrn and tried burning WD's hard disk rescue and UBCD411. My laptop will not boot off of any of them, even with the Bios changed to boot off CD (yes I saved Bios correctly). It actually won't read the CD/DVD even though I input it into the bios. It just keeps saying insert boot disc and hit any key.

The hard disk is partitioned into C and D and D is the recovery. Any way to access the hard disk or get this to boot?? Thanks in advance!!

A:Hard disk failure, Vista unable to boot at all!!

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I had a dual boot system. Windows 7 Home and Windows 7 pro on 2 separate hard drives.
The main hard drive crashed with Windows 7 Home and had to be replaced.
When I put the OS cd in the cd drive and boot off of the cd drive (using the escape key and set to boot from the cd drive), the computer shuts down and the cd is not read and I am unable to reinstall Windows 7 Home on my PC.

A:Unable to reinstall Windows7 Home dual boot 2 drives 1 drive replaced

Hello neighbor

Does the PC ever shutdown if you enter W7 Pro ?

Windows 7 does not fit on a cd, only a dvd, but I`m sure you meant DVD.

Where did you get the install dvd from ?

Did you create it yourself ?

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I have win7 on C drive and WinXPsp3 on D drive. Drives are separate. You can see full specs below.
I boot into XP on D fine. I can also boot into Win7 on C fine, but here is the catch. The computer wants to go into a chkdsk if I boot into win7. If I let the computer do this it goes through a very long process and when it comes out of that process it reboots and goes through its normal procedure.

But then when it gets to the very last step, the step where it shows the wallpaper, icons and taskbar, all I get is blank screen.

If I boot into safe mode I can see everything. If I boot into safemode with networking I can see everything. As a matter of fact that is how I am typing this message now.

What do I need to do to get my computer to boot correctly?

Here are my specs:
Drive C: W7 Home Premium 80GB NTFS (IDE)
Drive D: WinXP Pro sp2 80GB NTFS (IDE)
Drive E : Storage 80gb (IDE) -2nd half of Drive &quot;D&quot;
Drive F&amp;G DVDRs

Seagate 400GB Sata Storage 2 Partitions
Seagate 400GB USB Storage 2 Partitions (external)
Phenom II 5500 (3.2ghz) CPU
4GB DDR3 Ram
Nvidia 9500GT PCIE 1GB video card
Creative 128bit sound card
Earthlink DSL 6000bps
Floppy drive, 56K dialup, Optical Mouse, Keyboard, 21&quot; CRT,

A:Unable to boot into Win7 desktop in Normal Mode

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I recently got my pc up and running again with a new MB and CPU i had installed Ultimate 64 from my USB stick as usual installed fine booted to windows no problem

untill i tried to do a chsk dsk on the main drive which then restarted my pc showed me the OS boot information but didn't show the usual chkdsk screen it hanged so i rebooted and decided to re-install

this is where more problems occured, i formated an clean installed again to restart an be greeted with "Reboot and select proper boot device/media and press any key"

i ran the install again to notice that it doesn't make a system reserved partition this is where the boot files are, i have tried three diffrent ISO's with three diffrent USB sticks an also tried on a laptop and everytime it does not make a system reserved partition

i've used the Windows 7 DVD To USB Tool and the CMD guide to making a bootable windows USB like i've done in the past again same results

i'm hoping that my seagate 250GB barracuda isn't becoming faulty could this be the case? i had also updated the BIOS on the MB but it was working fine after that so i don't think that is the issue

Can anyone shed some light on this for me?

A:Unable to boot after clean install Win7 Ultimate 64-bit

Welcome to SevenForums.

Download SeaTools for DOS | Seagate burn it on to a CD and run the diagnostic tests. That should confirm whether your HDD is OK or not.

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Here's a problem I got with the Onboard intel graphics driver.

After installing it, w7 won't boot. It loads the windows logo but freezes and won't load the os.
The only way to make it work is restoring, and obviously getting the said graphic driver deleted.

I've tried changing some UEFI (bios) settings, but nothings worked. Also btw, the system only works with the hard disk set on ide and it doesn't work using AHCI (the one that comes by default)

I've also tried installing Win8, but things went even worse, as I didn't even get the chance to boot w8 after installing the SO.
So that I had to come back to Win7 but unfortunately just with the standard vga driver-

I ran out of ideas, I have no clue what's preventing me from booting after installing the Intel graphics driver.

Could be that the driver got some kind of bug that the company would need to fix and update ?

The motherboard is an Asrock H61M-DG3USB3

HD Seagate Barracuda 1TB SATA3, although the mb has got only sata2.

the processor is an Intel G2020 ivy.

Any help would be appreciated Thanks

A:Unable to boot Win7 after installing OnBoard Gfx driver

If Windows was installed in IDE Mode you have to do a registry edit to switch to AHCI after the fact.
AHCI : Enable in Windows 7 / Vista
If you press F8 at the correct time during boot up you should get the safe mode etc boot menu. Amongst those options is a Enable low resolution video (640x480), try that and if it doesn't work try safe mode.
Safe Mode

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My computer was infected with alueron.k and started showing messages that said the harddrive had crashed. I knew these messages were being produced by the virus and proceeded to boot into windows security essentials offline to scan and remove this virus.

After removing I noticed that I was unable to boot into windows 7.

I used my installation disk to get to the system recovery options menu.

Every option cannot find a valid install of windows 7.
In the recovery console typing "tree" for c: results in "no subfolders exist", which is NOT true because I can use the notepad saveas trick and see that all of my windows system files are still intact.

Am I fubar and need to install a clean copy of windows 7 or is there still options?

System restore, fixmbr, and fixboot all dont work.

Edit: my default boot drive has been changed from C to X, which is a 30 mb partition, which was automatically created when this all started happening..

A:Unable to boot win7, recovery console unresponsive

Hello Zhall and welcome to Seven Forums!

First boot to Command Prompt at Startup from your recovery CD.
At Command Prompt type following :
list disk
Then select disk where you installed Windows with command :
select disk #
(# is number of your disk)
list partition
Then select your System Reserved partition (System Reserved is 100MB partition) with following command :
select partition #
(# is number of your System Reserved partition from list partition command)
Then type :

Close Command Prompt and try to boot again.

I hope that will help

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Good Evening,
I recently had a hard drive fail. A friend gave me a hard drive that is workable but needs to be reformatted.  I installed the hard drive myself (thank you YouTube) but can't get past this error message.I have the system disk but the computer won't get past this error.
Can anyone help?
The message reads:
Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1. Insert your windows installation disk and restart the computer.
2. Choose your language settings and then click next.
3. Click repair your computer.
If you do not have the disk contact your system administrator or computer manufacturer for assistance.
File:  \Windows\system32\winload.exe
Status: 0xc000000f
Info: The selected entry could not be loaded because the application is missing or corrupt.

A:Hard drive failure/unable to boot to command prompt

Silly question but after formating did you re-install Windows on it? it would be throwing that error because it has no boot partition to load the Winload.exe file.

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Hello everyone. I am going to number my info because my desktop progressively got worse today.
I have a Windows 7 partition and a Windows 8 partition on the HD.

1. At first boot, it was trying to auto repair, but it would get stuck and nothing would happen.
2. After several restarts, it finally booted to the Windows 8 boot select screen to choose 7 or 8, I chose 7. Then it went to "applying update operation" and was updating registries I guess.
3. After that, it just would not boot. After another restart, I got "the boot configuration data for your pc is missing or contains errors." I tried to insert a recovery DVD / installation disk, but nothing would load.
3. Trying to boot from the CD or USB would just freeze and then give the same error, 0xc000000f.
4. From the HP diagnostics tool from boot up, it told me it was an HD error, biohd 8. In my several hours of searching online I believe it could be the HD or the motherboard, but I am not sure how to find out which.
5. Using EaseUS Data Recovery, the software recognizes the 3 different volumes on the drive (Win 7, Win 7 recovery partition, Win 8)

I was wondering if anyone would be able to deduce what is happening here, should I get a new HD or motherboard? Since EaseUS is recognizing all volumes, is it probably the motherboard?

And what it is the best way of formatting the drive and installing Win7 again with a failed HD, if it is the motherboard?

Would appreciate any help, thank you very much.

As... Read more

A:Unable to boot, error 0xc000000f, hard drive failure?

Check out this tutorial it will help you figure out if it is in fact the hard drive: Hard Drive Diagnostic Procedure

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I have the exact same problem. It seems to be a virus. when you boot up in safe mode and it asks you if you want to install the software to fix the problem this "Hard Drive" utility comes up and scans your hard drive and reports a bunch of problems but then wants you to purchase the program before it will fix them. My problem is that I cant get out of the fake safe mode to run my antivirus software. Anybody out there have a solution?

A:Virus windows Boot failure Press ok to fix boot failure

Hi and welcome to TSG

i have moved your post - its difficult having multiple questions in a post to keep tract

Update the post with further details - windows version etc

also have a read here http://forums.techguy.org/virus-other-malware-removal/943214-everyone-must-read-before-posting.html and follow instructions

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so, I recently got my hands on an older pc without a hard drive. I also had a windows laptop die on me, but the HDD is fine so i put it in my new pc. Now, when i boot it gives me the option to boot windows or the recovery options. i try to boot windows. it goes for ~10 seconds and reboots. a quick google search indicated thats typical. i figured id try to boot safemode and do a driver sweep, but F8 only made a mini boot menu pop up so i used this: Safe Mode - Windows 7 Help Forums
guide to set it to boot into safe mode in the command line which i could access in the recovery options. and i rebooted it, and it tried to boot safemode aswell, and got partway along, but died again and reboot itself. so, should i give up and install ubuntu or something? I cant afford to buy a copy of windows.

A:Transferred win7 drive to another pc, unable to boot, even safe mode

When Windows installs on a computer it takes a snapshot of the existing hardware, motherboard, chipset and loads drivers specifically for that board.
When you remove that HDD and place it in a different computer with different motherboard, when you boot, Windows looks for the old motherboard to load the drivers and can't find it and then BSOD's or fails to boot. If you have a Windows disc, you can boot off of the disc and choose to Repair Your Computer and it will load the specific chipset drivers that are missing. These cannot be downloaded from the internet they must be installed from the disc.
What is the make and model# of the computer? You can order a Recovery disc from the manufacturer Tech Support Forum - Announcements in Forum : Microsoft Support or you can get a Windows disc from Craigslist or Ebay. Or install Ubuntu.

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In an attempt to remove a virus, I made some changes to my registry (after saving a backup of it) using CCleaner. Upon restart, my computer failed to boot; the windows logo appeared for a few seconds, as usual, then a blue error screen flashed, and before I could read it the system restarted. Now it boots to a prompt to either boot normally or perform system repair. Booting normally causes the same boot failure mentioned above; I located a windows 7 32bit repair disc and restarted the system, pressing a key when prompted to boot from disc. However, the automatic system repair was unable to locate any system restore points, nor even a windows installation upon which to perform the automatic repair.

I have a separate hard drive installed that can boot into Ubuntu using the grub boot manager, and using ubuntu I can navigate the files on the windows 7 hard drive, including the registry backup that I made. Does anyone have advice for repairing my system?

A little more information; the automatic repair attempts a series of tests that exit with error code 0x0 (no error). It then says that the "Root cause found: System volume on disc is corrupt" It attempts to perform File System repair(chkdsk), but that fails, Error code 0x1f.

The hard drive Windows 7 is installed on is a Seagate Barracuda 7200rpm 500gb,

A:Windows 7 Ult 32b boot failure; system repair unable to find install

Repair Install
How to Do a Repair Install to Fix Windows 7

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hello all,

somehow my hard disk partition became dynamic. i formatted system and insttaled windows 7 ultimate in the dynamic disk partition.

from then onwards system is not booting. only black screen with cursor on the upper left corner of the black screen.

if i am not wrong windows 7 cannot boot with dynamic disk. i will have to go to the disk management and after conversion of dynamic disk to basic disk with deleting all the volumes (data). it is possible to boot with windows 7.

but system is not booting...not opening..so i cannot go to disk management.

hrad disk is showing some partitions with system reserved.

except system reserved all the partitions are shwoing dynamic.

and in only one partition formatting option and installing OS option is coming while i booting system with OS DVD.

reinstalltion through OS DVD is possble by booting through OS DVD. but in advanced option repartition option is not coming.

the one partition in which i installed OS previously, only in that formatting option is coming.
in other partition neither formating option is coming nor extend.

A:win7 ultimate unable to boot fron dynamic hard disk..plz help...

You made a mistake by accepting the choice of dynamic disks when doing some partitioning operation.

Bad move. Dynamic disks are to be avoided by ordinary users and are not easy to convert back to basic.

Look here:

Convert a Dynamic Disk to a Basic Disk

It may be simpler to wipe all partitions in Diskpart and start over with a clean install.

Or try Partition Wizard as mentioned in that link.

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