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"Inaccessible boot device" problem

Q: "Inaccessible boot device" problem

I came in this morning to use my laptop (gateway solo 2550 running Win 2000) at work and got the following message on a blue screen:
STOP: 0x0000007B (0x81970470, 0xC000009C, 0x00000000, 0x00000000) INACCESSIBLE_BOOT_DEVICE
It's been working fine recently except it for the past several weeks it would hang on shut down so I would shut it down by pushing the power button quickly. It went through the normal shut down steps and went off smoothly then suddenly this...
I'd rather not turn it in to tech support at my school or It'll take weeks.
Any Ideas?

Preferred Solution: "Inaccessible boot device" problem

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: "Inaccessible boot device" problem

Check other solved posts with similar shutdown prob's, and try respective fixes.
Time consuming. Free, quicker tho'...

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I change main boards, hard disk and other components more often than most people, either because I have sold my main board and processor, hard disk, etc. or a part like the main board has failed. Running Windows 2000, when I replace that part, I frequently, get "INACCESSIBLE_BOOT_DEVICE" errors. This requires a reload of the entire OS and all programs all over again. This can take an entire day (if I have that much time at once) and can sometimes stretch into several days in an off-and-on schedule.

Let's say I get an SCSI controller and hard disk. Would that eliminate the possibility of this error if I changed the main board and processor frequently?

I mean, this is getting to be a real pain in the a** for which no one has a solution and I'm ready to resort to the expense of just about anything that will eliminate or even reduce this problem.

A:Eliminate Future "Inaccessible Boot Device" Messages?

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Just powered-up my 'puter for 1st time and got the message "Inaccessible Boot Device" when Win 2K Pro had loaded about half way. All parts of this computer were new except for the hard drive. I've only learned enough here to get this far without frying anything, but now I'm stuck. Help, please?

FYI- It was suggested I do a "bench-build" and I literally did that. All parts are on a non-conductive surface connected to each other only by power cables. Didn't know if they needed to be 'grounded' as they would be inside the tower.

A:DIY computer just brought to life....."Inaccessible Boot Device"

please clarify, did you reformat and reinstall Win2K or did yo simply use a hard drive with win2K allready on it?

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Just installed Avira antivirus and rebooted to complete the installation. I am getting the error "Boot selection failed because a required device is inaccessible" whenever I attempt to boot. I have tried using the Windows 7 disc to repair but it does not work as it runs for a few seconds then instructs me to reboot.

The hard drive was initially not appearing but luckily I can now access all my files from this OS, however I would really like to gain access to my main OS again. I have also reset the CMOS but it hasn't changed anything.

Any help would be very much appreciated. Thank you. Sorry if I posted this in the wrong section.

A:"Boot selection failed because a required device is inaccessible"

Quote: Originally Posted by Arfe

Just installed Avira antivirus and rebooted to complete the installation. I am getting the error "Boot selection failed because a required device is inaccessible" whenever I attempt to boot. I have tried using the Windows 7 disc to repair but it does not work as it runs for a few seconds then instructs me to reboot.

The hard drive was initially not appearing but luckily I can now access all my files from this OS, however I would really like to gain access to my main OS again. I have also reset the CMOS but it hasn't changed anything.

Any help would be very much appreciated. Thank you. Sorry if I posted this in the wrong section.

Um, remove Avira.

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Last night i was trying to update my AMD SATA AHCI Controller driver, but i shouldn't do while being sleepy....

My hand moved before my brain realised...I uninstalled the device BUT i also checked the option for deleting the drivers.

Now, i get the error while booting :


The boot selection failed because a required device is inaccessible

What i realise is that windows are trying to find the device needed to boot ( stored on boot info) , but device is not there.

Ι already searched the forum for similar problems and already tried to do a Startup Repair from Windows Installation Disc repair menu (3 consequent times as written), with no result.

No restore points either.

Is there any way to manually fix this or my only path is a repair install ? All my data are safely backed-up.

Thank you in advance for your help.
ΕDIT : I don't know if this is the proper subforum for the above problem, i posted here because it was caused by a driver uninstall. If mods/admins think it does not fit in this subforum please tell me.

A:Error 0xc000000e "Boot Selection failed- Required device Inaccessible"

Well, i found the solution after some 50-60 Google results reading...

Solution was found in this page.

Analytically :

I loaded Recovery Console from my Windows 7 Installation Disk.

Had the AMD SATA Driver folder copied to a cd from my second pc. Driver directory was "W764A"

Ran diskpart and list volume to check the cd's volume letter

Ran the following command ( D: is CD ROM, D:\W764A is Driver Directory, C: is Windows Installation ) :

D:\dism /Image:C:\ /Add-Driver /Driver:D:\W764A\ /Recurse
I typed exit to exit Recovery Console, rebooted and voila....Windows Started normally...

Glad it was solved....

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I've been working on this problem off and on for a couple of years or more. All of my recent searches for a solution have ended with just a half-hearted effort.

I have two scenarios in which I get IBD errors: One is where the main board in a 2000 or XP system fails and I have to replace the board with an IDE controller that is not similar enough to the original one. For this scenario, I still have no solution. It's still a situation where my only hope is to find a replacement board that has an IDE controller very much like the old one--or just reload the OS and all programs from scratch.

The next scenario is where we have a planned upgrade or board swap in a system that is still functional--at least functional enough to get to the GUI. Here are the steps I used that worked.

Before I removed the board from the old system, I went to Device Manager> System> IDE... I changed the controller to Standard Dual-Channel PCI IDE Controller. I then shut down, changed the board and booted. I got to the desktop and loaded the drivers for the new board, etc. and booted again. All seems to work well so far.

Now, this was only one situation and I don't know it will work in all situations; but, it is a breakthrough for me as this has been not only annoying but a time-consuming bear for a long time.

Now, if I can only find a way to do this on a system where the main board has failed before I have had a chance to change the controller driver to the generic flavor.

I ha... Read more

A:Main Board Swap "Inaccessible Boot Device" work-around success

I did confirm the old hard disk did give an IBD error when attached to the new board before I to the above-described steps.

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Hi. I'm running Windows 7 Professional 64-bit. Yesterday I installed some new Windows Updates. Everything went fine, but when I restarted my PC in the morning, it would not boot because the "device is inaccessible." Huh??? I ran Startup Repair from my installation disk and that was unsuccessful. Chkdsk did not help either. The bootable OS is on a Toshiba 128GB SSD I recently purchased, and along with the OS only programs are on the drive. All my files are on separate HDDs.

I reinstalled Windows on my old HDD partition (of course I had to go and format it since I thought the SSD was finally stable enough and I didn't need that old OS partition anymore >__>) and ran TestDisk on the SSD. I tried repairing the boot files or something but it told me that the Backup Boot Sector (I think it was?) was not writable and that it couldn't repair. I am still able to access the SSD and its files with no problems. I just can't seem to boot from it. It'll be starting up and then flash a blue screen for a split second (too fast for me to read what the text says) and then restarts.

I'm thinking of reinstalling all my programs on this fresh install of Windows (after I get MS to reactivate my product code but that's another story) and then cloning it over to the SSD. That's a real pain though so if I can somehow get my PC to boot off the SSD again that would be best. Any ideas??

A:Can't boot b/c "device inaccessible" after Windows Update (SSD)

if you can get into the recovery with a startup disk then run bootrec.exe /fixboot and see if it helps might also have to do rebuildbcd take a look at this http://support.microsoft.com/kb/927392 before attempting it. and make sure it does it to the right drive(might want to unplug all of them except for the ssd including external drives).

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Need help again all on my brother in laws computer.....every time he trys to turn on computer he gets post and the windows splash screen and it acts as if it is loading and then the blue screen of death comes up and he gets a message saying STOP...inaccessible boot device.......gets same message even if you try in safe mode.....they said they first started getting this right after the computer was making a terrible noise....could this be a fried hard drive and how do I find out what it actually is....do I need to put a boot disk in and try????Whats my next step?

A:windows 2000 and "inaccessible boot device"

Hi itsme,

That sound could have been the hard drive.

Get right down to the drive with a paper
towel roll or something, while you're
hitting the power on button. You should
HEAR the drive starting up. If not, it's
a dead puppy.

If you DO hear it running smoothly, then
the boot sector has been corrupted. You
Might try booting with floppies - just so
you can access the C: Drive. If you can,
then run "chkdisk" on it.

Read other 3 answers

On startup, right after the WIN 2000 logo appears on the screen, I get an error message as follows:

** STOP: 0x0000007B (0x85C56250,0x0000032,0x00000000,0x00000000)

If this is the first time you have seen this Stop error screen, restart your computer. If this screen appears again, follow these steps;

Check for viruses on your computer. Remove any newly installed hard drives or hard drive controllers. Check your hard drive to make sure it is properly configured and terminated. Run CHKDSK /F to check for hard drive corruption and then restart your computer.

Refer to your Getting Started manual for more information on trouble shooting Stop errors.
I've already done the following:

1. Tried a restart...same result
2. Tried to restart in safe mode...same result
3. Ran Norton AV...no viruses detected (used a CD, so not foolproof)
4. Ran hard drive diagnostics (Boot Device Menu...F2 on startup)...Result: HD pass
5. Changed boot sequence to attempt to boot to drive A...successful, but unable to start Windows from there. Also unable to run "CHKDSK /F" from drive A.

Specs: Dell GX280, Pentium 4, 2.80 GHz, 800 MHz Bus, WIN 2000 Professional

Unsure where to go from here or even what the problem is (corrupted startup files, perhaps?). Need help!

A:"Inaccessible Boot Device?!"

Boot to XP cd and run checkdisk /r:

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Recently my PC stopped responding, so i waited (an hour), and my PC still didn't respond(no Ctrl ALT Del, no Ctrl Shift Esc) so I cut the power supply(probably not the best thing to do) and restarted. After starting up the login screen didn't appear, instead i got a black screen(PC still running), so I cut the power supply(again probably not the best thing to do) and restarted. Like I expected I got a BIOS error screen telling me there went something wrong and asking to start normally or to start startup repair. No matter what i chose, I always got the following error:

Status: 0xc000000e

Info: The boot selection failed because a required boot device is inaccessible
It advised me to use the installation DVD and select repair system. So I did what it said But the setup was unable to repair my PC. It asks me if I want to send details to MS In this dialog I choose view problem details and I get this:

Problem signature:
Problem Event Name: StartupRepairOffline
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: 21201008
Problem Signature 05: ExternalMedia
Problem Signature 06: 3
Problem Signature 07: CorruptFile
OS Version: 6.1.7600.
Locale ID: 1033
Read our privacy statement online:
Windows 7 Privacy Statement - Microsoft Windows
If the online privacy statement is not available, please read our privacy statement offline:
X:\windows\system32\en-US\e... Read more

A:"Boot device inaccessible" error during boot

Try these free, bootable diagnostics:

H/W Diagnostics:
Please start by running these bootable hardware diagnostics:
Memory Diagnostics (read the details at the link)
HD Diagnostic (read the details at the link)

In particular, run the Hard Drive diagnostics on your D: drive

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please help me; i replaced my RAM which worked ok until i put back the cover and move the pc back in place, then it gives me a bsod
"stop:0x0000007B (0x84DAD870,0xc0000032,
inaccessible boot device"

after rebooting, it still gives me the same bsod screen; it happens after the windows 2000 splash screen

i can't boot into safe mode either (same bsod message)

i can boot with a win2k boot cd but i dont know what i can do with it; i can get to the dos prompt but when i do a dir c:, it lists contents of another HD (not the main primary partition); it doesnt see any other partitions from the dos prompt

i have 5 HD on this computer, and am on windows 2000 pro

i dont know what the next step to figure out the problem is.

Thank you very much.

A:please help with bsod (inaccessible boot device"

check these links





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Well title says it all. Blew a fuse accidentally, went outside when I turned it back on. When I came back I realized that Windows won't boot giving me 0xc0000225 error. What options do I have? HDD seems to be working fine and I see it in BIOS. So far only tried switching SATA ports.

A:Blew fuse at home, Windows won't boot, HDD "inaccessible"

Did you get the screen that says start windows normally.

Blowing a fuse would not keep your pc from loading properly, other then the above message you would normally get.

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Computer Specs:
CPU: I5-2400
MB: Asus Pz868
Ram: Corsair 8GB Vengeance LP
Using on board VIdeo For now
Maxtor HD Sata
WD Raptor Sata
HP Lightscribe DVD-r Drive Sata

Problem I was having once I completed my new build with old system parts was as listed in title. It started out as select proper boot device, and now it states ntldr is missing. From what I have been reading it seems as if my partition with my windows 7 install is not set active. I do not have my windows 7 DVD only my old vista DVD. I tried to boot into it to make use of CMD and attempt to make my partition active but I was unsuccessful to even get into CMD. I went into bios and forced booted from the drive with the OS and still same error, also I attempted to disable the other sata and run the computer again with no success also. Look forward to hearing from someone soon. I will be sitting by my laptop all night until this computer gets running.

A:"Select Proper Boot Device" now "NTLDR is missing"

Finally Got to command prompt but it shows my current drive listed as x: dunno if this will be relevant and helpful to anyone.

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To whoever is able to help:

My friend’s computer got infected with a “smitfraud” trojan virus. He has a 120GB WD hard drive running under Windows 2000. This virus does not allow us to boot up, and it gives us a blue screen saying that the virus is hijacking IE and also mining bank information.

I took the hard drive out of his computer and replaced it with another so that he could continue working. I planned on taking his hard drive home and installing it in one of my computers, so that I could work on it at my leisure.

However, now I can not even get to the original blue screen dealing with the “smitfraud” virus. Now I receive a different blue screen that tells me that I have an inaccessible boot device.

Now I am unable to do anything, even with my Windows 2000 disk. I can not enter “safe mode” or “recovery console”. I just keep getting the same message.

I know that you are probably suppose to try and deal with the virus while the original hard drive is in the original computer configuration, but I do not have this as an option at the moment.

I tried using another hard drive as master and setting the infected drive as slave, but the result of the blue screen persists.

Does anyone have any ideas how I can attack and solve this problem without having to reformat the hard drive? I also believe that I am not able to reformat the hard drive at this moment. I have a lot of information that I am trying to save.

Thank you for your help.


A:Win2K-"Smitfraud" virus-inaccessible boot

You should always be wary about putting a disk with a known virus into another machine with its own disk attached. The safe way to go about it is to create yourself an up to date bootable recovery CD/floppies from your AV software. Then DISCONNECT your own drives, connect the suspect drive and boot from the recovery CD/floppies(write protected) . Hopefully you should then be able to clean the infection.
If you cannot do it this way, you should not attach a suspect disk as ide. You should start your own machine, update the virus checker, and then attach the suspect disk using USB. This way you virus checker becomes active BEFORE the suspect disk is attached.

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I have had my computer since Christmas, It has been working fine. Then I went on this morning as normal as can be, everything was booting up and I opened steam but it said no connection. Then a blue screen appeared and said something like" search DHP watchdog violation" then the screen went black but displayed the text "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key"
I have no idea what to do and I need help. I searched this on tech guy and I tried to boot it with my CD/DVD Drive off which is what I saw worked on another persons thread but to no avail. Please help, also I use windows 8.

A:"Reboot and Select proper Boot device or Insert Boot Media in selected Boot device.."

The "DHP watchdog violation" could be caused by any number of things, typically within the OS. Which is a non-issue now since the PC won't boot.

What error do you get now when you try to boot? If it's the same or similar to "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key", then it sounds like the HDD (which is the primary boot device) cannot be found. Which typically indicates a HDD failure, but could also be just a loose/faulty data or power cable.

Enter the BIOS and verify if HDD is recognized properly, and if so, verify the boot order.

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I just recently had a problem with my main hard drive which had a capacity of 20gb and so i decided to take it out and leave my second hard drive ( which was 160GB) in the system. But now i have the problem where the computer asks me to "Reboot and select proper boot device or insert boot media in selected boot device and press a key" after 30 seconds of turning on my computer.
What do i do here?
I am completely lost.
Please help.

A:"Reboot and select proper boot device or insert boot media in selected boot device"

Hello Vinroy

You have removed the "Master" drive which XP booted to.
Now you will have to make the 2nd drive into the "Master"

Connect this 2nd drive using the connector which was used for the drive you removed.
Then change the jumpers on the drive to master.


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"no audio device" "no playback device" "No Sound Card was found"
ok.. I'm stuck.. puzzled...

I recently had a professional computer fix it company wipe my computer and now I do not have any sound. I do not have even the little icon on the bottom left hand corner to turn volume up or down. My keyboard does not allow me to turn the volume up or down, it seems unresponsive to volume but does light up on the screen showing VOLUME... but of course, there is no volume... I am computer illiterate and thirsty for answers...

Operating System
Microsoft Windows XP Professional (5.1, Build 2600)
Media Center Edition Version 2002 Service Pack 3

System Manufacturer: HP Pavilion 061

System Model
Enclosure Type: Desktop
RC663AA-ABA a1640n

BIOS: Phoenix - AwardBIOS v6.00PG

Intel(R) Core (TM)2 CPU
6300 @ 1.86GHz (2 CPUs)

Memory: 2046MB RAM

DirectX Version: DirectX 9.0c (4.09.0000.0904)

Control Panel>Sounds and Audio Devices>Volume
indicates "no sound" and Device Volume is all the way to LOW and everything is GREY and untouchable/unchangeable

Control Panel>Sounds and Audio Devices>Audio
indicates "no playback devices" on Sound Playback

Sound recording is working fine as I use skype many times but I can not hear the other party but they can hear me just fine.

Starting with the BIOS, I went into Audio and made sure this was enabled.. it was...

downloaded/installed Microsoft... Read more

A:"No audio device" -- "no playback device" -- "no sound card was found"

STLj said:

after RUN>
typing in "dxdiag"
it reads under notes,
"No sound card was found. If one is expected, you should install a sound driver provided bv the hardware manufacturer".

This is where I get fuzzy and lost. Do I need a new sound card installed? Is that the problem?Click to expand...

That dxdiag "no sound card" message is misleading as I've found it says that if no driver OR sound card. I think you're missing the right driver

Also, it would seem from your post you have High Definition (HD) audio. Which means you'll need to find the right High Definition audio driver. (AC97 pre-dates HD audio so the Realtek AC97 couldn't be right)

Try starting on the HP support website HERE and enter your model number or they have a button where they'll try to identify your product and drivers for your model. They should list an HD audio driver there

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First let me tell you about my system.   This is an Inspiron
E1705/9400 laptop with the T7400 Core 2 Duo processor running at 2.16
GHZ.   It has 2 GB of RAM and a brand new 500GB Hitachi Travelstar hard
drive (7200 RPM).   It also has the GeForce Go 7900 GS video card.   
It previously had Windows XP Professional (32 bit) and worked fine.  
But, I have three computers in my home and home office and would like
them all to work better together on my wired home network, so I am
upgrading all three to Windows 7.   My two desktops (one is Dimension
XPS 420 and the other is Dimension XPS 430) seem like they will be no
problem to upgrade to Windows 7.   But, this laptop was not listed on
Dell's Windows 7 Compatibility List.   However, the Windows 7 Upgrade
Advisor that I downloaded and ran seemed to say that it was OK to do a
clean install of 32 bit Windows 7 and it only had a few minor concerns,
where it said to check for updated drivers from the manufacturer.   The
laptop originally came with a 100GB hard drive.   For my use, that is
getting very small, so I decided to get the same exact 7200 RPM drive
in the 500 GB size.   This will allow me to do a clean install of the
32 bit Windows 7 OS on the new hard drive and not have to wipe the old
drive to do it.   I can just hold onto the old HD and stick it back in
whenever I might ... Read more

A:Minor Problem with New Windows 7 Installation on my Inspiron E1705/9400 - two entries for "Base System Device" under "Other Devices" with yellow exclamation point

BTW, I just downloaded and installed the driver pack from that ftp location and it worked, even for Windows 8.1 - 64 bit.
Thanks Steve!


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Recently I had to send my Dell Desktop PC back to Dell for repairs (It needed it's video card replaced). The PC was return to me completely reformatted, with the Intel Rapid Storage Technology program on it just like before. Unfortunately, since the computer has been returned to me, IRST says:

"Acceleration using solid-state drives: Disabled

The accelerated disk or volume associated with the cache device is inaccessible, and the overall performance is no longer optimized. Please reconnect the accelerated disk or volume, or click Accelerate for more troubleshooting options." It also says "SSD on port 5: normal"

There is no Accelerate button than I can see though. What I can see, in the program's storage system view, are both my 1.86 TB hard drive and my 30 GB solid state drive, the same two drives I had before I sent the computer away, and both have green check marks by them, indicating that they're connected.

I called Dell support and they got me to go into my BIOS and change my SATA mode to AHCI. All that did was make it so my computer would not even boot to windows, getting stuck in a never ending cycle of error messages on start up before I changed the setting back. The support seemed puzzled after that.

I went online and someone else told me I have to reinstall my entire operating system after changing my SATA mode. The problem is I don't want to lose my free install of Windows 10. Is there any other solution other than reinstalling everything? I ... Read more

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We used to have "stereo mix" option that enabled streaming audio recording without having to have the audio playing through the speakers. How do I do that now? What replaces that capability? Who makes my sound card? Why is that not readily available somewhere in Dell land? I can't believe forum searching found pretty much nothing on this.

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Mods, if you feel that this thread is more of a "Windows" issue, please feel free to move this thread.

Here last year I did my second build because I was having "boot" issues. Wasn't certain what exactly the problem was at the time. But something some how screwed up the boot sequence in my system, and where everything was pretty much "outdated." I just went ahead and did another build.

Though, since then I've been pondering around with the thought of using a SATA to IDE adapter so that I can retrieve what ever salvageable data I can from one of the two HDD's that was in my last build. So I finally broke down and ordered a couple different one's earlier this week.

Unfortunately, I've been running in to some problem(s) when I try to launch with the IDE in place.

Upon initial launching, the boot sequence seem to take some time longer than it normally does with out the IDE HDD in place. Though after a 15-20sec lapse I'll get an error screen displaying an windows error code of "0xc000000e" with a prompt message below stating "The boot selection failed because a required device is inaccessible"

I searched all over online to see what that error code represents, only to get "pages after pages" of sites with each site telling me something different.

I have no intentions of using this as a third HDD in my system. I just want to retrieve select data from it.

A:Error code "0xc000000e" "The boot selection failed because a required device.........

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This is confirmed with IE11. However if set Microsoft Edge as default web browser, the issue is gone.

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hey since two days I bought a computer and the windows is still not installed on the computer, so I got this message when I turned on the computer

no boot device available

strike f1 to retry boot, f2 for setup utility press f5 to run onboard diagnostics.

I tried to install windows 7 by a cd and didn't work and still getting the same message

A:need help on this problem "no boot device available"

Is a hard drive listed in the CMOS/BIOS Setup Utility? (Press [F2] when prompted to get into the Setup Utility).

If no hard drive is listed, there is a serious hardware problem that must be resolved before you can go any further. If the BIOS cannot see the hard drive, then neither will any Operating System (like Windows).

If a hard drive is listed, boot the computer from Windows 7 DVD and follow the onscreen instructions to install Windows on the hard drive. Note that you may need to change the "boot order" in the Setup Utility from trying to boot from the hard drive first, to try booting from the CD/DVD drive first instead.

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Hey folks,

My first post on here but I'm in serious trouble. I got a "new" (to me anyway) desktop running XP today and found the audio hardware wasn't working. So I pillaged an old machine for its sound card, and inserted that onto the motherboard. Also connected the Aux and CD lines to the top of the daughterboard.

Since then, to my horror, the machine has failed to boot. All plugged in, keyboard working, screen on and being used on another box for this very post. All I get now is the usual chirps from the internal soundcard followed by a few very low notes, definitely depressing so I guess they're suggesting something's failed. There's no further action from the CPU, the fan still works, but there is no screen output whatever.

Have I fried the motherboard without realising?!

Also, ironically, the last failure tone was delivered by my speakers through the originally non-responsive audio hardware!

I'd love a bit of help on this one, because my knowledge of computers' insidey bits is pretty poor.

Many thanks,


A:Desktop boot problem after sound card "meddling"... just a "beep" failure tone.

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Hi, I'm trying to reinstall my sister's scanner driver because XP has decided that it's not there any more. This happens occasionally and usually reinstalling the driver fixes it (I think that's what I did last time), but this time i just can't get it to work.

If i unplug the USB cable then plug it in again, it comes up with a message saying that the device has malfunctioned and it doesn't recognize it. I have the driver CD but windows always manages to install it as "Unknown device" before i can tell it to search the CD. I've tried telling it to reinstall the driver from the CD but it says that there are "no better matches for this device". I've also tried uninstalling the program form the CD and reinstalling it then restarting the pc but that didn't help either. I tried plugging it into another USB port (as suggested by Windows Help Center) but that still didn't work.

It's not often that something like this gets me in a circle and scratching my head but I'm really starting to run out of ideas.

Any help would be very appreciated, i just want to get this thing running again

A:Stubborn Scanner Driver - "Malfunctioned Device" and "Unknown Device"

Could it be that the scanner really did die?

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Hey everyone,
        I am trying to get the REST queries to work with the sharepoint end points instead of graph end points. I first created an app with relevant permissions and have given it the admin consent. Then I am hitting the https://login.microsoftonline.com/<tenant>.onmicrosoft.com/oauth2/token?Content-Type=application/x-www-form-urlencoded end
point with https://<tenant>.sharepoint.com as resource. I am then using the access token retrieved to give the rest call to https://<tenant>.sharepoint.com/_api/v2.0/drives/b!3indYSbqZ0-hVSPnCgIZy-2xDMh7jH9AuQnEzJMc6TEfQoSJvJT-R6tT0lFBQiPr/root/delta
but it is failing with "error":{"code":"generalException","message":"General exception while processing"}}. The REST response code is 401 Unauthorized. I have filed a Microsoft support ticket but they
have asked me to post on these forms. Can someone please help me with this? I am not able to move forward because the error is pretty generic and doesn't give any additional details.
Sai Kiran Katuri.

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I was backing up my hard-drive when, zapppowwww, the computer shut off..... when I turned it back on, I get only the manufacturers logo screen (pre-boot) .... eventually it goes to black with the phrase :

"Reboot and Select proper Boot Device or insert Boot Media in selected Boot Device."

Have I lost my Hard drive at the critical moment during backup?? :-( Please help!

A:Randomly: "Reboot and Select proper Boot Device or insert Boot Media in selected.."

Yes it sounds like your C drive has developed problems

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Hi Guys, any ideas how to access my external hard drive [TOSHIBA MK3029GACE] device manager can see it but it does not appear in disc management.

I use this HDD perfectly in my car HDD player. But when I try to connect it to my Laptop, it does not show up in disk management.

Please check the attached screen shot..

Thanks for the help....

A:HDD shows in "Device Manager" but not in "DiskPart"or" Disk Management

Specs show that drive has a ATA-6 interface (P-ATA, or IDE). How are you connecting this drive to your laptop? Does the laptop have a PATA or SATA connection? Does it use an adapter?

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I bought a refurbished Dell Optiplex 780 running windows 7 a few days back, was running fine until this morning where I woke up to see the error along the lines of "SATA 1 not found" which is strange as the computer was on sleep mode overnight with no background operations. Tried restarting it several times to receive the message "Boot drive unavailable", looking in the boot menu the drive ID shows on the SATA 1 port. I can't get into safe mode either. Is there anything that can be done or is the drive somehow corrupted? Any help would be appreciated

A:"Boot device not found", "SATA 1 not found" on startup??

You may want to check your hard drive to see if it is not disconnected.
If you still get the errors that means your HDD needs to be replaced.

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Hi all,

So I'm kind of stuck.. I currently have the problem where I am in an endless cycle of "loading files" -> "Windows Boot Manager" (see: How To Boot Into Safe Mode On Windows 8 (The Easy Way)).
I have tried to load all of the options -- and none successfully load.
I also end up at a OneKey Recovery as well.. unfortunately, the laptop does not have initial backup or user backup images.
I have a Windows 8 CD for repairing purposes.. however, I cannot load the BIOS/UEFI to change the boot order to load the optical drives first. I have also tried to remove the CMOS battery to fix it.. did not work. .
Also - Windows Boot Manager:
Windows Setup [EMS Enabled] -- does not load properly (leads to OneKey Recovery) Safe Mode (does not load properly) Safe Mode with Networking (does not load properly) Safe Mode with Command Prompt (doesn't load - tries to boot and load all files onto partition that is too small.. can't change partition?)
Enable Boot Logging Enable Low-Resolution Video Debugging MOde Disable automatic restart on system failure Disable Driver Signature Enforcement Display Early Launch Anti-Malware Driver
Start Windows Normally
Any ideas would be greatly appreciated! Thanks!

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--Love the website motto: [stupid questions are easiest to solve.]

I am running Win7x64 on a newly installed (non-laptop)
MSI ZH77A-G43 motherboard with i5-3570

I spent a couple of days ensuring that I had installed all of the drivers
including the chipset, facilitated by MSI's LiveUpdate5.

I have a simple USB thumb drive.
I take it to my roommate's (VISTA) computer--it plugs in just fine. I cleaned, rewrote, read.
I did a check for errors scan; in properties, it is FAT formatted with default allocation size (2056).

I plug it into my computer (detailed at top). I am not even getting a common problem--"unrecognized USB device."
It does not even know that it is USB apparently--I get an error box from the system tray:
TITLED: Driver Software Installation
Device driver software was not successfully installed.
unknown device (fat red) X Device unplugged
unidentified device (fat red) X Device unplugged
[nonsense help links from MSFT] CLOSE box

There is a small led on the thumb drive that shines steady.
(assumably indicating something is wrong; nevertheless power is present)
(normally, it flashes on and off a couple of times when recognized on VISTA computer.)
(yes I tried multiple USB plugins, on front and back of tower-case)
I hear an audible "g-dunk" sound every 1 second.
The Device Manager window, though functional and operational, briefly flashes
in response to every g-dunk (a 1/2 second later.)

I finall... Read more

A:Thumb drive "unknown device" "device unplugged"

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Hi, I've encountered this error upon restarting my computer because when I accessed it this morning the screen was frozen on my screensaver and I couldn't get out of it.

I've tried using my recovery disc to use Startup Repair but my partition seems to be missing and when i use bootsect to look at my disk volumes it is also missing in there. When I try to restore my computer using a Windows 7 install DVD it only shows my "Backup" partition. I've also tried reordering the boot order in the BIOS.

A:"Reboot and Select boot device or insert boot media"

It would appear that your hard drive is having problems. First of all, do you have a current backup of anything important on the drive?

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The complete message is "Reboot and select proper boot device or insert boot media in selected boot device and press a key"

Asrock extreme3 gen3 z68 motherboard
intel i7 2600k
16gb g.skill ram
1.5TB WD harddrive
64GB crucial m4 ssd
sapphire radeon hd 7970
Recently re-installed windows using a bootable usb as i have no optical drive
installed drivers and some software
Made SSD into a raid cache
went to reboot computer after some windows updates and now i get the above message.
Bios sees the hard drives
using the bootable usb for windows repair shows no installations of windows, and the cmd doesn't show the hard drives,
Things i have tried:
Turned the SSD back into a normal drive
Removed the SSD Entirely
Used bootable usb for windows repair
Used the CMD console from repair to try bootrec
Re-installing windows entirely
I found that windows repair doesn't recognize the windows installation on the HDD and also does not recognize the HDD itself.
On trying to re-install widows i was given no option to select a drive to install on, and it would not continue.
Put linux mint on a flash drive, It recognized the HDD but gave the error "Unable to mount 1.5 TB Volume - Adding read ACL for uid 999 to `/media/mint' failed: Operation not supported"

A:Message on boot "reboot and select proper boot device..."

Win7 doesn't much like RAID as we only see problems with it here. Is your mobo configured to run a SSD cache with RAID?

I would unplug all other HD's besides the SSD, reset BIOS to defaults, set SATA controller to AHCI, do a Clean Install Windows 7.

If it fails try wiping the HD first with Diskpart Clean Command and then define an Active partition as shown in Step 2 of SSD - HDD Optimize for Windows Reinstallation

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The hard drive is a Western Digital 320 GB that I've had plugged into this computer before (and worked). Then i got a virus and had to do a recovery of windows.

Ever since then I can't get windows to recognize/show it in my computer. I just "disabled" and "enabled" it in device manager to no effect. I have a C, D, and E drive which are: two partitions on the hard drive, and then the CD drive (respectively).

So i'm stuck, not sure where to proceed since it's obviously not the hard drive itself, I use it on my xbox all the time. What next?

A:External Hard Drive doesn't show up in "my computer" but does in "device manager"

Does it show in Disk Management ? ?
Right clik My Computer...select Manage...then Disk Management.
Find the drive...right clik it and select Properties.
Report back with your findings.

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HP Pavilion a1423w
Windows 7 32 bit
1024 MB Ram
At first my computer would only turn on with just the fan, on another forums it said to unplug all cables and hold the power button for 30 seconds, after I did that, I was presented with the message, "Reboot and select proper boot device" EVERY TIME! I was told to make sure ATA was enabled in the BIOS. it is. still same message, I tried to put a Windows 7 installation disc to see if I can enter command prompt and type "bootrec.exe /fixboot" I get a message, "the device is not ready"

please help me. I have mine and my sister's valuable information on this computer

A:will not boot. "Reboot and select proper boot device"

Hi there,

Hmmmmm.....it's possible that you might have a faulty hard drive. Do this, go to a working computer an download a good hard drive diagnostics utility called "SEATOOLS". Here is the link to the Seatools program: SeaTools | Seagate

Download Seatools and put the program onto a bootable device (e.g. CD). Boot the computer to the Seatools CD, follow the on-screen instructions, and scan your computer hard drive for any errors. Make sure you use both short and extended test.

Hope everything works out well and please provide an update when you can, thank you.

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Recently I took a look at my girlfriend's PC as explorer crashed each time it was booted, even safe mode wouldn't work. I opted to re-install the OS from scratch. The only problem I had was that she needed some files backing up, so I had no option but to plug her HDD into a spare SATA bay I have in my own PC (80GB of data needed to be saved, I don't have an external HDD that big).

Anyhow, I backed up the files to a HDD I have in my computer and then re-installed Windows on her HDD in my own PC. I then put her data back onto the HDD. Everything worked fine in my PC, I was able to boot into Windows XP no problem. Please note I didn't install any drivers apart from any defaults the XP install detected and installed.

After putting the HDD (with the assumedly fixed XP install and recovered data) back into her PC I cannot get it to boot at all. I get the following error message:

Reboot and Select proper Boot device
or Insert Boot Media in selected Boot device and press a key

I have tried the following and keep getting the same message:

1. Checked BIOS and set it to default.
2. Removed the system battery to hard reset BIOS.
3. Performed a full repair on the XP install using an XP CD.
4. Executed several commands in recovery console: bootcfg, fixboot and fixmbr.
5. Used chkdsk, HDD appears to be fine.
6. Unlpugged everything, checked connections, etc.

I assumed it was some kind of driver issue from using my PC for the fresh install, but as repair nukes the Win... Read more

A:XP won't boot "Reboot and Select proper Boot device".

I would boot with the WinXP cd in her pc with her hard drive. Start WinXP setup, delete the partition on the hard drive and continue installing windows. (make sure you still have that backup!)
It is not a good idea to install Windows on a hard drive meant for another pc. Unless the computers are identical (especially the motherboards) otherwise there is a good chance you will have driver and performance issues.

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I have a big problem here,
I have used my hard disk for 9month,
Yesterday when I watched movie on the half way,
My hard disk suddenly disfuntion,
And I thought my laptop problem due to always lagging so I restart my computer.
But after that I can't read my hard disk (WD)in my computer.
It can read in computer management there.

Ways I try:
1)I try to uninstall and reinstalled again,BUT it doesn't work.
2)I try to unchecked the hide folder and device at view.
3)I try to update the software BUT it still disfunction.
4)I try to use disk management and initialized it BUT there appeared CANNOT INITIALIZED Due to I/O device error.

Any solution for me ?

A:Hard Disk can't read in "my computer ", "initialized",I/O device error

The most usual cause is that the Hard Drive is beginning to fail. Back up your stuff. Go to the website of the manufacturer and test the drive.

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I have two issues, which I think are related. In the Device Manager, it shows under USB Controllers "Unknown device". "Windows has stopped this device because it has reported problems. (Code 43)"

I tried updating the driver, but the driver was correct.

I tried disabling the device.

I uninstalled the device. Windows reinstalled it at next boot, but the problem reappeared.

There is no Imaging Devices in the Device Manager.

At the same time, my webcam failed to open. Message "Webcamera initialization failed."

I downloaded the correct webcam program from Toshiba, installed it, but same result.

This all started when I uninstalled and reinstalled Skype. I have tried uninstalling it again, but still no webcam.

The webcam is enabled in the BIOS.

I really do not want to reinstall Windows.

All help appreciated.

Toshiba Satellite P500 16J
Windows 7 Ultimate x86
All updates installed

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Hi guys, I ask you a lot of help because I'm in trouble up to my neck. I try to be as detailed as possible.
I have a Packard Bell with initially installed Windows Vista Home Premium (I don't know if 32-bit or 64-bit). Over time I updated it to later versions, and in fact before the problem I normally had Windows 10.

Brief introduction: as you know, telematic lessons have started in the world at home. So I installed Microsoft Teams and so far everything is ok. I noticed, however, immediately that the fan of my old PC with more than 10 years of intense work was starting to fuel quickly. While I was thinking about how to solve, the inevitable happened: during a lesson the PC freeze in the screens, and after waiting 5-10 minutes I turned it off by the button. By re-accessing it, this screen appeared, as the title says:

"Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1. Insert your Windows installation disc and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."

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

File: \ Boot \ BCD
Status: 0xc000000f
Info: The Boot Configuration Data for your PC is missing or contains errors. "

What I did: I searched on this and other sites but I was not able to juggle well. I understood that you need an installation CD, which I DO NOT ha... Read more

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Recently I tried to follow a guide on fixing 100% disk usage and after following it my computer will not boot and stays stuck.

That is the link to the guide. I followed options 2, 3 and 4. Turning off windows search, superfetch and flash player in the browser. I then ran chkdsk and now here I am. Help appreciated. Thank you. Im not a computer person so I need instruction. Thank you again.

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Hello, Ive recently been getting this message and I cant seem to solve it.
I read a few topics and solutions, but I can't seem to grasp it. I am rather greatly unfamiliar with pc tech know how.
I tried putting the OS disk and restart, but I get the same error, and I dont know how to reinstall the OS. I can manage to get to the BIOS, if thats what its called, but Im not sure what to do from there. I tried setting priority to CD Rom but still, same error.

Im considering visiting the tech shop that built me the PC but if I can fix this at home I would give it a shot.

Im running Windows 7 Home premium 64bit.

A:Getting "reboot and select proper boot device" error on startup

Boot into BIOS setup, see if the hard drive is detected. If not change it's cables to see if it's detect or replace it.

If HD detected set it as first device to boot, save changes, exit and reboot. What is the exact error given?

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Hello all,

Not sure what happened over night....My computer will stay up for around one hour or so and all of a sudden windows will do one of the following.

1. If I'm actively working on the computer, like opening windows it will kind of lock up....i can see my mouse move but can't click anything...ctrl+alt+delete does nothing. Just kind of frozen.

2. If I'm not doing anything on the computer and I just leave it idle, I'll come back and it sits at the
"reboot and select proper boot device or insert boot media in selected boot device and press a key"....if I reboot the computer(turn power off and back on...it boots up perfectly)

I built the computer almost 3 years ago.

Specs: New egg list is here, not sure if you can see.. https://secure.newegg.com/WishList/M...px?ID=13134369

Intel Core i5 2500k (currently I dont overclock so it's at 3.30GHZ
Motherboard: ASUS P8Z68-V-Pro
Memory: 8gigs DDR3...not sure what brand to be honest.
Graphics Card: HIS IceQ X Turbo H695QNT2G2M Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16
HDD: 1 Crucial M4 SSD 128GB
HDDx2: SAMSUNG Spinpoint F3 ST1000DM005/HD103SJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive
OS: Win 7 64bit

If you have any other questions I'll answer them asap. Or any logs I can get. I did run AVG 2013 and found nothing, as well as Spybot.

Edit: I did run windows memory tester mdsched.exe and it found nothing wrong

This really stinks :( Any help would be &... Read more

A:Computer crashes to "reboot and select proper boot device..."


Possible hard disk failure, let's run some diagnostics:

chkdsk -


start>search bar>type cmd right click and select run as admin

Elevated CMD should now be opened, type the following:

chkdsk x: /r

x implies your drive letter, so if your hard drive in question is letter c, it would be:

chkdsk c: /r

Restart system and let chkdsk run.

If chkdsk turns out okay, run Seatools - SeaTools | Seagate

Run all tests EXCEPT: Fix All, Long Generic, anything Advanced.



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Hey! Please help me! I'm sorry if I'm in the wrong forum, I don't really know much about computers sadly. Can I please be advised on what to do next? Help would be very much appreciated. This is what the screen shows when I switch the laptop on.


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I have recently bought a new hard drive and now I want to remove the old one and just use the new one.
When I remove the old one, I try to start up the PC with the new only, but it stucks at booting, it says "select proper boot device..."

The old one was a 300 GB, WD SATA 2. And the new one is a Seagate SATA 3 1TB. I want to use the old one with an older PC for somebody else, but if I remove it I can't get into Windows.

Windows 7 is installed in the new HDD. The old one is empty, but I see there is still some "System Reserved" partition there which is being used. Here is how disk management looks like: http://i.imgur.com/Gsbh3dF.png
I want to remove Disk 0 and keep Disk 1 only. I also don't want to lose the data from Disk 1.

Help will be much apreciated. I try to rebuild my old computer for somebody else to use.

A:"Select propper boot device" after removing old hard drive and trying

System reserved partition is essential for Windows to work.Since you have it on your old hard drive and not the new one ,computer asks for it whenever you disconnect your old hdd.
Install Windows on new hard drive with system reserved partition on new hdd.

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Hi I'm new and am a Macintosh person, but we have a Dell dimension 4400 running Windows XP that I use to do payroll for our company. Yesterday it wouldn't start up and I got the error message that I put in my title. Any help would be appreciated...please take into account that I know the mac's but need the "for dummies" help for the Dell.

Thank you


A:Dell 4400 "No Boot Device detected:system halted"

lmao. that sucks

try hittin f2 during hte dell screen and go into bios, and look under ur drives tab and see if it shows ur HD anymore?

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Hello All,

My recently-purchased C50-B-13N laptop was installing 39 updates yesterday, when it crashed.

Re-starting trapped me into a continual loop. Following what appeared to be the logical approach to reset the factory settings, I
appear to have accidentally deleted the data on the drive.

I now repeatedly received the error message "Reboot and select proper boot device".

I've tried the F12 approach to <HDD recovery>, but my Boot Menu doesn't state this option.

I'm frustrated that the new laptop was performing so poorly, given I've had Toshiba devices for ~10 years.
Additionally, I'm disappointed that the potentially serious implications of deleting the drive <even accidentally> were not clearly advised to me, before commencing.

Please advise a solution.
The laptop is 4 months old.

Furthermore, how do I begin the process of claiming under my warranty?
An unhappy customer experience, thus far.



<also posted to US forum, inadvertently>

A:Satellite C50-B-13N - Error "Reboot and select proper boot device"

I appear to have accidentally deleted the data on the drive.

Obviously the HDD recovery procedure isn’t possible now because the HDD recovery files have been deleted.

I guess you did not create a recovery medium as recommended in the user manual.

Well, in such case you have one chance to order a missing recovery medium and to recover the notebook back to factory state.

Recovery medium can be ordered here:

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