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UEFI cannot boot from USB or DVD to install Windows 8

Q: UEFI cannot boot from USB or DVD to install Windows 8

Hey all,

I just got a new HP ENVY dv7t-7200 CTO Quad that came pre-loaded with Windows 8. I wanted to install Windows 7 so I enabled "Legacy Support" in the BIOS which disabled UEFI mode. Everything went fine from there. I ultimately decided to go back to Windows 8.
I found this guide but could not get my Windows 8 installation that I have on disc to load on startup: UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with
I disabled "Legacy Support" in the BIOS so now UEFI mode is re-activated.
My UEFI Boot Order in the BIOS is:
CD/DVD Rom
USB Drive
OS Boot Manager

But when I have the disc in and restart windows, it does not read the Windows 8 installation from the disc. If I press F9 to change the Boot Order it only shows:
OS Boot Manager
Boot from EFI File

It should be noted that the it will recognize the disc if I'm not booting in UEFI mode.

I could install Windows 8 again without UEFI but I would really prefer it. Any suggestions?

RELEVANCY SCORE 200
Preferred Solution: UEFI cannot boot from USB or DVD to install Windows 8

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

A: UEFI cannot boot from USB or DVD to install Windows 8

Solved -I went to System Recovery while starting up by hitting F11, then used the option to restore the comp back to factory settings. It installed Windows 8 in UEFI Mode

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RELEVANCY SCORE 70

Hello, I have a Y720 tha comes with a 1x 129 GB M2 SSD and x1 HDD, in UEFI mode. I'm currently trying to replace the M2 SSD with a newly bougth Samsung 960 EVO M2 where I would like to install Windows 10 also in UEFI mode, as it has better power management than Legacy. But I have tried booting the Windows 10 installer USB stick and the laptop does not recognize in bios. I have created the usb stick with RUFUS 2.18 (latest), choosing UEFI + GPT and Fat32 file format. Before that I also tried restoring a system backup image I created from the former M2 using AOMEI Backupper but I couldn't boot the USB utility to do so either (the same happened: Bios does not recognise it, despite creating it choosing UEFI mode) Things I have tried: 1. Disabling secure boot (although the Secure Boot Status staed "Enabled", so I used the "REset Secure Boot mode" option too...)2. Chaging Optimal OS Setting to disabled in seetings, but still no use3. Using the Novo Button on the right part of the laptop. Of course, changing boot mode to Legacy would allow me to install Windows from USB ....but in Legacy mode, which I'm trying to avo So ...is there a way to boot a UEFI usb stick to install Windows in UEFI mode from it?  thanks!

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RELEVANCY SCORE 69.6

**** This issue has been resolved ****
**** Look at Page 4, posts 4 and 5 ****
**** You need to enable Legacy MBR by Enabling Launch CSM in the EFI Setup ****

Hello all,

This is my first post. I am a Windows 7 user and now (against my will) Windows 8.

I bought an ASUS N76 laptop pre-loaded with Windows 8 so these are the new generation n76 series. The old ones come with Windows 7. Anyway...

I attempted to boot a Windows 7 ULT 64 install DVD but the install hangs on the Windows logo/flag. So...

- Windows is loading files is shown and hidden
- The animated Windows logo appears and then it just hangs....go figure

I have no idea what is going wrong. I went into the UEFI setup and the only option for my BR is EUFI boot.

I also added a "boot option" asking the EFI to boot "efi\microsoft\boot\boot.efi" or "\efi\microsoft\boot\boot.efi" but when selected (from Boot Override), the screen goes blank for a few seconds, the BR starts spinning and I am thrown back at the EFI so it looks like it cannot find the file. For path, I selected the BR device and at the end has a "\".

I have secure boot disabled. (yep, I have an option for that). So now I am left empty handed and I am stuck with Windows 8. I even put in a brand new SSD hoping I would install W7 on it but I can't even start the setup!! Argh....

I am very experienced with MBR and BIOS but I am a complete newbie to UEFI. I don't know what is going wrong and why the setup hangs....Ther... Read more

A:Asus N76 UEFI - W7 64 Install Hangs on Logo (DVD UEFI Boot)

Win8 PC's have Secure BIOS which must be disabled to install any other oS, then you can install in UEFI mode following these steps: Downgrade Windows 8 to Windows 7

If you want to bypass UEFI and install normally to an MBR drive the procedure is related here: MS new "Secure Boot" locked BIOS arrives

Other info on EFI:
Technical Note: UEFI BIOS vs. Legacy BIOS - YouTube
The 30-year-long Reign of BIOS is Over: Why UEFI W... - Input Output

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RELEVANCY SCORE 68.8

I have a new Precision 7710 with a 2.5 inch 1GB SATA SSD (system boot=Disk0) and a 1GB NVMe PM951 SSD.
I have been attempting to install Windows Server 2012R2 on the second, M.2 SSD (Disk1) into a GPT, NTFS partition.
Since this system has no DVD, I made a bootable UEFI thumb drive with the contents of the .iso installation for Server 2012R2.
The thumb drive boots OK and I can begin installation, but when it comes to choosing the target for installation, the M.2 SSD is not visible in setup.
The M.2 drive is clearly visible inside Windows 10 Pro as the D: drive.
So...I mounted the .iso setup file in Windows 10 and ran setup.exe. The install began and could see the target M.2 drive, and began loading files on the second SSD. It then attempted the first of several restarts that come with this process with the new Server 2012 R2 environment.
It sucessfully modified the Windows Boot Manager before the restart, then restarted, and the setup program gave an error because it could not find the target partition on the second SSD.
The setup environment then modified the Boot Manager to "Windows Setup Rollback" and proceeded to enter an infinite loop, attempting to delete files from the unreachable M.2 drive. I manually choose Windows 10 on the boot menu, and once booted changed Windows 10 back to the default OS.
I've tried several things (turning off Secure boot, changing from UEFI to legacy bios--it won't boot at all that way) , but I can't get that second disk t... Read more

A:Precision 7710 UEFI Bios and pre-boot does not detect second SSD (NVMe PM951) can't install Windows on it for dual boot

You're going to need to build a new set of boot media with NVMe drivers.
www.nvmexpress.org/.../

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RELEVANCY SCORE 68.4

Hello, I bought a 3TB harddisk and I can only use 2TB of it
I read some forum and it said I have to install windows by uefi boot
And change format from mgb to gpt so I can use 3TB

My motherboard is Asrock H81M

I want to know how can I use uefi boot, I am total idiot in computer, thanks for help

A:How to use UEFI boot to install windows 7?

Is Windows installed on this 3TB HDD or is it being used purely as a storage drive?

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RELEVANCY SCORE 67.6

Hello, I have a problem with booting Windows 10 X64,  after installation with GPT, on a  HP 8200 Desktop, with 2 HDD in Raid 1.I have updated the firmware to the latest version v 02.29 . Until the update, Windows 10 x64 was installed in UEFI mode and worked ok. I tried to update the firmaware to the last version because i was unable to use WOL for starting up the PC.After disabling fast boot in windows and made different changes in BIOS, WOL turned on the PC but after the boot screen Windows doesn't loads ( a blinking cursor remains in left up corner and doesn't do anyhing). If i try to turn on the PC from the button Windows loads normaly. I recreated the RAID, and reinstall Windows with GPT. After the setup finishes, and the computer reboots, i have the problem that i haved when starting from WOL (a blinking cursor remains in left up corner and doesn't do anyhing). I'ved tried to reinstall Windows changing different settings in BIOS, but it still doesn't boot. I boot from Hiren with the miniXP and i saw the partitons and the content of C:\ and all seems to be ok.I installed Windows in MBR, and with MBR is working fine. I think is a problem with loading the UEFI boot from the RAID.Now i am unable to activate Windows because of "hardware changes" and I want to have Windows installed with GPT. Thanks  

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RELEVANCY SCORE 67.6

I have an Aspire v7 and I am trying to install Windows 10. I have a USB formatted with UEFI install of Windows 10 64bit, and it works on my other computers, but I can't get my Acer to boot from it. I was able to switch to LEGACY mode in the boot options in the BIOS and install it that way, but if I go back into the BIOS to switch back to UEFI, it tells me no media is found.How can I get my laptop to boot and install in UEFI mode, or at least be able to switch back to UEFI mode after the installation?

A:won't boot or install windows 10 in UEFI mode

Did you use the windows 10 media downloader and application to create the UEFI boot usb? 

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RELEVANCY SCORE 67.6

I've downloaded Windows 7 and made a bootable USB drive. I installed Windows on a couple of PC's and my HP laptop. I've noted that when installing on laptop, I've had some issues. In BIOS settings, the boot mode was selected to UEFI and no matter the boot sequence, it just wouldn't boot from USB (note: there was a USB Hard Drive and a USB Generic Volume option and I've checked the 'boot from USB device option' above). I've solved the problem by switching to Legacy boot. It booted from USB with no problems and Windows got installed correctly. I've done the same thing on an another HP laptop, (same thing, UEFI wouldn't boot from USB, while Legacy would) only this time to see that all of the partitions are formatted as GPT and I get a message saying that Windows can't be installed on a GPT partition. I am presuming that this is due to the legacy boot mode (my overall knowledge is very low, so if any of this doesn't make sense please forgive me).
I was wondering if there is ANY way I can install Windows 7, or higher, I don't care, on this laptop? Thanks for your time

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RELEVANCY SCORE 67.6

I've downloaded Windows 7 and made a bootable USB drive. I installed Windows on a couple of PC's and my HP laptop. I've noted that when installing on laptop, I've had some issues. In BIOS settings, the boot mode was selected to UEFI and no matter the boot sequence, it just wouldn't boot from USB (note: there was a USB Hard Drive and a USB Generic Volume option and I've checked the 'boot from USB device option' above). I've solved the problem by switching to Legacy boot. It booted from USB with no problems and Windows got installed correctly. I've done the same thing on an another HP laptop, (same thing, UEFI wouldn't boot from USB, while Legacy would) only this time to see that all of the partitions are formatted as GPT and I get a message saying that Windows can't be installed on a GPT partition. I am presuming that this is due to the legacy boot mode (my overall knowledge is very low, so if any of this doesn't make sense please forgive me).
I was wondering if there is ANY way I can install Windows 7, or higher, I don't care, on this laptop? Thanks for your time

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RELEVANCY SCORE 67.6

My device : Portege R30-A
model : PT343L-0U9019
BIOS v. : 5.00
EC v. :1.60

stock HDD is HGST 500GB
my old windows boot from UEFI normally. But after I'm changed HDD To seagate ST1000LM048.I'm try to install windows 10 from usb via UEFI boot. But after first restart, BIOS can find my HDD but can't boot. on display show "Insert system disk in drive. . . Press any key when ready . . ."

I'm try to install windows 10 via CSM boot. It boot normally.

Why I can't install UEFI on my new HDD???

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RELEVANCY SCORE 67.6

I was wondering if someone can help me on this.
I have a Dell XPS 15 L521X Laptop that currently has windows 8.1 installed on it.
Im trying to set it up as a dual-boot system with windows 7 as a secondary OS.
I have a Windows 7 X64bit OEM disk and tried to install windows 7 from the disk, but it would not allow me to install the operating system to a disk that was initalized as GPT. So I followed these instructions to make a bootable USB Stick Fat32 GPT to install media.

I set the bios to UEFI, Secure Boot: Off and attempted to boot from the usb stick. When the Start Windows Screen came up it hung. So I tried to boot that stick on another computer and got a windows failed to start error 0Xc0000225.

I cant reinstall Windows 8.1 because it has a programs and data on it that the owner does not want to reinstall or cant, is there a way to install Windows 7 in dual boot mode with a GPT Disk on this particular dell machine?

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RELEVANCY SCORE 67.6

I just updated my bios to uefi to get secure boot. but windows 8 compatibility tool still says my bios does not support have secure boot. Can i still install windows 8? I already ordered my upgrade dvd.

A:Can i still install windows 8 if my uefi does not have secure boot?

Yes, you can.

My UEFI BIOS doesn't support secure-boot either, and W8 installs and runs without a hitch.

Go for it, and good luck!!

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RELEVANCY SCORE 64.8

Hi all,

So I got a new laptop its a Lenovo Y700-15ISK, UEFI Bios. I am trying to get the machine to dual boot Windows 7 and Windows 10. I installed Windows 10 first, no problem. Windows 7x64 is just not working.

My windows 10 was a fresh install, slipstreamed updates and drivers from Lenovo using NTLite.

Windows 7, slipstreamed all Lenovo Windows 7x64 drivers, also windows updates (sp2). Windows seems to install fine but when it reboots after the install and boot picks Windows 7 from the Windows Boot Manager, I get a blue screen! 0x0000007e. I installed the USB 3 drivers via NTLite in booth the install.wim and boot.wim. I don't have an issue with is asking for drivers at the Windows 7 install.

After installing Windows 10, I made these changes to the bios.

Boot mode: Legacy Support
Boot Priority: Legacy First
Turned off OS Optimized defaults

Installed Windows 7x64 from usb stick, install seems to work but when it reboots,
BSOD BLUE SCREEN! Same error 0x0000007e
Also unable to boot into windows 7 using safe mode. I get as far as:
C:/Windows/System32/drivers/disk.sys
then it BSOD's
Totally totally at a loss right now!

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RELEVANCY SCORE 64.8

I have a Dell XPS 8700 that failed Windows 10 anniversary update until UEFI secure boot was turned off. It apparently then completed but I cannot re-enable secure boot without the same boot problem advising
Recoveryyour pc/device needs to be repaired / during Windows 10 anniversary updateAn unexpected error has occurredError Code 0xc0000185you'll need to use recovery tools.   Is there a solution to enable UEFI secure boot ?
 I am using a Dell XPS 8700 pc with an SSD drive. The Windows 10 update was installingthen after one of the reboots the error above  The pc was running prior to the update and had UEFI OS , secure boot enabled,  no prior problems.I attempted to do any of the safe mode boots but none would proceed.Disabling the UEFI safe/secure boot mode apparently let the install continue and the das it did before with I believe completion of the installation of Windows 10 anniversary update.PC now shows Windows 10 home Ver 1607 ..
The problem returns if I enable UEFI secure boot and the PC stops. I would like to determine a wayto locate the problem or issue. related to the secure boot.  Using the media creation tool may justrepeat the problem once secure boot is re-enabled.
 Dell lists that they have tested XPS 8700 with this update and have not indicated problems no mention of secure boot issue.

A:XPS 8700 needed UEFI secure boot disabled to complete Windows 10 anniversary update can't enable UEFI secure boot now

rdubayah,
If your computer was running WIndows 10 without any issues prior to downloading the Anniversary update, then you would not have had to change any settings in the bios to install the update.The UEFI and Secure Boot settings are to enable booting with a USB or DVD to install Windows.
Disable Legacy Boot Mode and Enable UEFI
Start the computer and TAP the F2 key to enter the bios. Once in the bios Press F9 to Restore the bios to the Default Settings. F10 to save changes and exit. You could have a hardware problem. To run a hardare diagnostics on the computer you would start the computer and TAP the F5 key. Insert a cd/dvd in the optical drive for running the diags.

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RELEVANCY SCORE 64.8

I have a Dell XPS 8700 that failed Windows 10 anniversary update until UEFI secure boot was turned off. It apparently then completed but I cannot re-enable secure boot without the same boot problem advising
Recoveryyour pc/device needs to be repaired / during Windows 10 anniversary updateAn unexpected error has occurredError Code 0xc0000185you'll need to use recovery tools.   Is there a solution to enable UEFI secure boot ?
 I am using a Dell XPS 8700 pc with an SSD drive. The Windows 10 update was installingthen after one of the reboots the error above  The pc was running prior to the update and had UEFI OS , secure boot enabled,  no prior problems.I attempted to do any of the safe mode boots but none would proceed.Disabling the UEFI safe/secure boot mode apparently let the install continue and the das it did before with I believe completion of the installation of Windows 10 anniversary update.PC now shows Windows 10 home Ver 1607 ..
The problem returns if I enable UEFI secure boot and the PC stops. I would like to determine a wayto locate the problem or issue. related to the secure boot.  Using the media creation tool may justrepeat the problem once secure boot is re-enabled.
 Dell lists that they have tested XPS 8700 with this update and have not indicated problems no mention of secure boot issue.

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RELEVANCY SCORE 64

I am not sure if this subforum is the right place, if not, pleases help me transfer to the right forum...

I recently just build a new setup with Asus P8Z77-V LK, this motherboard comes with UEFI boot and legacy BIOS boot support.

So I tested install windows 7 in both mode, and I didn't find any advantage of UEFI consider it is a new technology been promoted quite a lot for recent years.

The benefit I found is: a graphic BIOS setup, which is useless to most users if you don't OC. Even you did, I still find using keyboard to navigate through the menu is much easier than mouse.

Faster boot time? very negligible, could be 31 seconds compare to 28 seconds. As I timed use my stopwatch, the value could include a few seconds human error as well.

Support boot from > 2.2TB HDD? nowadays most user use SSD as boot drive so this really doesn't matter.

GPT disk partition? don't see any benefit here compare to legacy MBR...

Anyone can enlighten me what is the advantage of UEFI here?

Thanks a lot!

A:What's the benefit of UEFI and install Windows in UEFI mode?

Thanks for adding information about EFI BIOS which present a problem for many during installation and repairs.

For this reason alone, I would advise disabling EFI BIOS in BIOS boot order or choosing Legacy BIOS in BIOS setup, installing normally to an MBR disk.

Wiping a HD already formatted as GPT disk with Diskpart Clean Command can clear the way for it to install as MBR. Sometimes it also takes runnning the command "Convert MBR" to change disk from GPT.

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RELEVANCY SCORE 62.8

Hello, i have HP Pavilion g6 1360su with Insyde H2O F.6A. I have downloaded and installed the HP UEFI Support Environment from here: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-119351-1&cc=bg&dlc=bg&lc=en...=. Is my PC compatible with Windows 8 UEFI?

A:Is my PC UEFI Compatible and how to install Windows 8 UEFI

Please help me. The tool has created a new partition called HP_TOOLS. It's ok but how to do a clean install without deleting it. What should I do?

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RELEVANCY SCORE 62

Hello everyone
I am trying to make Windows 10 scripted installation with UEFI boot.
Every things works with normal Legacy mode in our environment and k2000.
I have made WINPE 10 boot file as a normal procedure with k2000 Media Manager (like in legacy mode). And uploaded it to k2000. Of cause I have re-cached my drivers when making new a boot source. 
I have setup our new DHCP so it can boot with UEFI and it works!, and I can see my boot sources when boot up the client in UEFI mode. 
Here comes the tricky part I can choose my newly created Windows 10 boot source with Dell's own WINPE10 drivers. Then it loads the Boot source file that I created but It stop at the Windows 10 logo it never loads the deployment menu like in legacy mode, so I cannot deploy a scripted installation.
I am stuck what could be wrong or what have I missed ? Please help
Regards,
Michael

     

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RELEVANCY SCORE 62

Dear Friends,

Long time reader of this forum but a first time poster, so please forgive me if this question has already been asked and answered.

Laptop: ASUS UX31A-DB71, latest BIOS: 218

Originally my laptop came with Windows 7 and when i looked at disk management my disks were formatted with UEFI schema. One of my friend gave me a UEFI bootable USB drive loaded with Windows 8. So, i thought why not give it a try. So, I created a backup of my OEM Windows 7 and saved the iso files in a seperate external HD (created twice just to be sure . Now, i decided to load the Windows 8. Booted into the BIOS and there is an option to select the USB drive along with the UEFI option for that USB drive. I selected the UEFI option but some reason it does not boot into UEFI. So i decided to select the standard USB install and this option let me install windows 8. In the process of installing i formatted the partitions and made a single partition and installed Windows 8 on it. I am guessing now the drive is not GPT but MBR. I also noticed that his installation USB disk had an option to select either 32bit or 64bit of Windows 8...I find this kind of odd. Would Microsoft create a same iso file with both versions? I am guessing he created the USB from a illegitimate source.
I am planning on purchasing Windows 8 Pro version as an iso but wanted to be confident that it would work with UEFI architecture.

Questions:
1. Why would the system NOT boot from UEFI?
2. If I download the legitimate iso fr... Read more

A:UEFI USB Disk - Does not boot from UEFI Windows 8.

Welcome. Begin with Clean Install - Windows 8. See the UEFI links in the tutorial: How to Install Windows 8 Using "Unified Extensible Firmware Interface" (UEFI). You also will want to see this tutorial link: How to Do a Clean Install with Windows 8 Upgrade.

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RELEVANCY SCORE 60

Let me first address a few things:

- I have read extensively on this topic, using guides such as this to determine whether or not I have bootable media for UEFI, which I do.

- I have both an original, unused Windows 7 Pro w/ SP1 x64 install DVD, connected through the USB 2.0 external DVD burner that was provided by the computer manufacturer, as well as a 4gb USB 2.0 stick that I created using Rufus (the settings are all correct and specified for UEFI/GPT/FAT32 and all that) and slipstreamed with Intel's USB 3.0 drivers for Windows 7 x64. Both devices boot and give me the same result: the freeze at "Starting Windows," where the dots start moving around momentarily before freezing in place.

- Booting the DVD in Safe Mode still gives me a freeze. The last "Loaded:" item in the list is disk.sys.

- I've seen it mentioned that some NVIDIA cards have had issues with UEFI and/or Windows 7 booting/installation, so I tried switching off the "switchable graphics" option in my bios so that my system would run using the integrated Intel graphics (which I would assume it had been doing anyway). Still the same result either way.

- I am not dual-booting, nor do I have any desire to use legacy bios if it's going to stick me in an infinite boot loop like the last time I tried that. My laptop, a Lenovo Y700-15ISK, has no option to use any "UEFI + Compatibility" option--I am only given the choice between one or the other.

- Secure Boot is... Read more

A:Win7x64 UEFI-boot install hangs at "Starting Windows" on Skylake

  
Quote: Originally Posted by Jawn


Enabled: "When load default values, will load pure UEFI mode default values. Win8 and later OS support pure UEFI mode"
Disabled: "When load default values, will load legacy support mode default values."


Windows 7 does not support pure UEFI mode.








  
Quote: Originally Posted by Jawn


My laptop, a Lenovo Y700-15ISK


https://forums.lenovo.com/t5/Lenovo-...2230302/page/4






Quote:
Y700 15ISK - How to install windows 7 64bit?

Probably too late, but this helped me... https://downloadcenter.intel.com/dow...reator-Utility make usb installation of windows and run this program... in bios boot set legacy... that?s all and easy.

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RELEVANCY SCORE 60

Wanted to try the UEFI so I deleted my legacy BIOS/MBR installation of Win 8.

I followed the steps here:
UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with[2]=Installation%20and%20Setup

Got Win 8 to install successfully in in the UEFI/GPT way.
But after restart on installation done, the PC cannot boot into Win 8 and I always get the light blue screen with a "Recovery" title stating that the PC couldn't be started properly and an error code 0xc00000001.

Played with the BIOS setting (CSM, Secure Boot etc), switched to onboard graphics, reinstalled a few times the UEFI way.
Also tried the automatic repair but to no avail.
The UEFI installation is always successful but I always cannot boot to Windows.
What different is that the installer always partition the drive to 4 partitions (Recovery, ESP, MSR, OS) instead of 3 in the tutorial.

After hours of trying to get it to boot UEFI Windows 8, I gave up and went back to install via legacy BIOS/MBR.
And here I am posting this in Windows 8 (legacy BIOS/MBR).

If possible I would like to get UEFI working, are there any small details I missed?
I'm using the ASUS P8H77-M Pro motherboard with the latest BIOS.

A:Cannot boot UEFI install

Try running Automatic Repair.
Automatic Repair - Run in Windows 8






What different is that the installer always partition the drive to 4 partitions (Recovery, ESP, MSR, OS) instead of 3 in the tutorial.



The tutorial has not been updated to Windows 8 RTM.

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RELEVANCY SCORE 59.2

Have a new Dell XPS 8920 Desktop with a 256 SSD and I want to install a 2nd Win 10 operating system on a 2nd drive under UEFI. If I do a clean install from a DVD will the 2nd drive be seen and bootable?
 

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RELEVANCY SCORE 58.8

I built a computer back in 2009 with an Intel DP55KG motherboard running Windows 7. So, I am getting for a fresh Windows 10 install and I noticed that back in 2009 I never enabled the UEFI boot mode. Would it be recommended to enable it this time before the Win 10 install, or will it bring about some issues?

Here is the definition of the setting according to the motherboard manual:

UEFI boot
OPTIONS: ? Enable ? Disable
Enables or disables Unified Extended Firmware Interface (UEFI) Boot. UEFI Boot must be enabled in order to boot to a drive larger than 2 TB (terabytes). Enable: BIOS will attempt to boot via UEFI before using the legacy boot sequence. Disable: BIOS will use the legacy boot sequence.

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RELEVANCY SCORE 58.8

I have HP Pavilion dv6-6c65sx Entertainment Notebook PC which I bought it like 4 years ago. I need to install Ubuntu system on it but the bios doesn?t support UEFI boot mode. I tried to boot through legacy mode but it doesn?t work for me. All I want to know if I can flash the bios to support UEFI mode !

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RELEVANCY SCORE 58

So I've searched, and I've tested, and now I'm about to turn my laptop into a frisbee and never buy a Samsung PC again. In short, I bought an ATIV 7 whose previous owner had downgraded to Win7. I wanted to put Win 8 on and I have a volume license as well as the OEM key so I burned the ISO (actually 2 different ones) using every method I could find (ImgBurn, Rufus, Iso2Disc, Win7 Download tool, etc.) It became clear that the USB needed to be formatted FAT32 with GPT filesystem, however in UEFI mode it shows the USB but won't allow me to select it - it just flashes. If I set it back to CSM and UEFI I can make a USB boot, but even if I use diskpart to clean the drive and convert to GPT it will fail to install because it detects I didn't boot in UEFI mode.

Here's the deal. When I'd installed it earlier this week in CSM and MBR mode, and then converted to UEFI it worked fine. So....I tested several recovery programs we use at work to make sure they'd restore it okay via bootable media. Paragon, Aomei, Macrium, Lazesoft - all boot media failed. ONLY True Image 2014 DOES ACTUALLY BOOT in UEFI mode on my laptop. The only thing I can figure is that the way WinPE 5 or 5.1 (whatever it uses) is set up on it agrees with my laptop. So what I was wondering is if one of the geniuses here has any idea how I can modify the Acronis recovery media or create similar WinPE media that might actually boot on my laptop.

THanks for any help!!!

A:Samsung won't boot install USB in UEFI mode. WinPE alt?

Do you have Windows 8/8.1 64-bit installation media?

To Create a Bootable UEFI USB Flash Drive using Free Program "Rufus".
- Connect your USB flash drive.
- Click/tap on the browse icon and select your Windows 8/8.1 64-bit ISO image file.
- Under Partition scheme and target system type, select GPT partition scheme for UEFI Computer
- Under File system, select FAT32
- The default Cluster size setting is automatically detected, so do not change the setting.
- Click on Start button.

edit:

Here is info about UEFI Boot Mode (installing using the GPT partition style) and Legacy BIOS Boot Mode (installing using the MBR partition style): link

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RELEVANCY SCORE 56

What is UEFI Boot Source means and why some people disable this feature?

Regard,
Thanks.

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RELEVANCY SCORE 56

Trying to understand handshaking between UEFI & Win 7. Have Win7 Pro sp1 64 installed on SSD, mb=Asus F2A85-V Pro. Example: boot to flashdrive to do Acronis backup of SSD; remove SDD, insert spinner; boot again to flashdrive to do Acronis restore to spinner (to test backup); remove flashdrive, boot to UEFI, set UEFI spinner as default, save & reset; spinner starts boot (#1), Win logo shows briefly, reboots (#2) and shows Win repair/normal screen; choose normal; Windows desktop shows; new driver is loaded for spinner and asks for reboot (that part I understand); reboot (#3) starts and again briefly shows Win logo before yet again rebooting (#4) to the Win repair/normal screen; again choose normal & all is happy. But then I remove the spinner, insert the SSD, and have to go through the whole deal again. Why so many reboots?

Similarly, if I change any hd/flashdrive configuration, my UEFI boot selection is lost & I have to reset it again - sometimes with the multiple reboot scenerio, sometimes not. Sure wish I could force that the UEFI selection stay there as long as the selected drive is installed.

A:UEFI boot keeps changing; UEFI/Win7 handshaking confusion

Hello and welcome diana look I am having a little difficulty in following the train of the thread.

Now do you mean you just backed up the SSD to a USB stick ? then tried to transfer that USB stick back up to the spinner? If it was just a back up then I don't think it is going to work because it is only a backup.

To make the spinner the boot device I would be cloning the SSD to the spinner. I wouldn't mucking around with sticks as I cannot see why that is necessary.

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RELEVANCY SCORE 55.6

Just curious, but is there option for me to enable uefi boot of my Windows 10 Professional installation on my HP xw6600 dual quad core E5450 machine which holds two Samsung 850 Pro SSD's, one for Windows 10 and the other completely for Ubuntu LTS 16.04.When possible,  how to go about it. How do I enable this option. Yours truly, 

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RELEVANCY SCORE 55.6

Hallo,

After creating a UEFI bootable USB thumb drive with Rufus (using Windows 8.1 Enterprise ISO x64), for a Dell Optiplex 3010 (configured as UEFI only, no CSM, latest firmware version, Windows 8 installed), I didn't see a USB boot option, so I tried to add one manually. Unfortunately I erased the existing boot option (boot manager) by mistake. Although there were two boot options for PXE booting, the machine will not start anymore, even when there is an active WDS server on the network.

I also see Led's 2 and 3 lighting up, meaning according to the manual 'hardware ok but bios possibly damaged/corrupt'.

I understand I cannot start the machine from a bios boot disk because of GPT partitioning, and the UEFI USB boot disk I made might be corrupt (as it didn't show up as a boot option), however I don't understand why it won't boot from the PXE network card, as these boot options are still there.

Any suggestions on how to solve this?

Thanks for any useful tips,
Bavo

A:Deleted Uefi boot option (Windows Boot Manager) by mistake

The Windows Boot Manager is held in the Bios and restores itself if you boot to a UEFI capable device. Could you please explain exactly what you did to "Add" the USB boot option?

I haven't used Rufus since it is so easy to just format the drive yourself, but it did format in Fat32?

I have the PXE boot options disabled in my bios since I do not have a network boot option.

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RELEVANCY SCORE 55.6

Is there currently any way to configure a custom boot logo for UEFI booting? I can only find methods for Legacy users, but no luck with UEFI.

I'm kind of new to custom boot logos, so if anybody could give me some information as to if it's possible first?

Regards

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RELEVANCY SCORE 55.2

Hello to the forum. Thanks for the welcome. And thanks for pointing me in this subforum.

I have a notebook toshiba satellite L850-1HU with UEFI

Default is win 8 os, recently upgraded to 8.1.

Now I need to win 7.

I have a professional license N sp1 x64 and then supports UEFI

Is possible to combine the systems in dual boot and both in UEFI mode?

I see from your guides that for installation the UEFI is necessary partition in a certain way.
What should I do if I want to leave intact the UEFI partition of win 8 (5 partition)? I just make only space for win7(1 partition) that will use the same 4 partition UEFI of win 8 or i make other 5 partition???
And which of the two systems will handle the boot? I can decide I?

and the warranty? restores factory work?

If I change hdd, and install win 7, when I put the old hdd, it works as before removing it?

Sorry for the confusion! I hope you manage to understand me and help!

Ciao forum! E grazie! Saluti dall'Italia!

A:Satellite L850 & Win 8 UEFi: How dual boot UEFI win 7 ?

If I change hdd, and install win 7, when I put the old hdd, it works as before removing it?



Yes. This is how I do any OS tests\'dual boot'\experiments etc with zero chance of damage to the original boot OS\hd. Am keeping a bunch of old HD's for the purpose. The downside is the slight risk for some mechanic\connection problems, just be careful, remember to power down! So if you don't find it troublesome to switch HD's, IMO go ahead and try that route.

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RELEVANCY SCORE 55.2

Hi all,

Currently having a wake on lan issue with a certain computer.

The machine is setup correctly but the windows boot information is stored in a 100mb UEFI partition, and when the computer wakes on lan, it will not boot windows, just sit at a blank screen.

When it wakes on lan it is trying to boot from the legacy device (same blank screen happens if you choose to boot from it from bios)

ive tried updating the bios but no luck, all settings seem to be as they should be.

Is there some trick to get it to load the UEFI MBR, or is there a safe way other then reformatting the machine to move the MBR over to the legacy device itself?


Thanks for any help.

A:Boot UEFI from wake on lan, or convert UEFI MBR to legacy.

Back up your files, unplug all other HD's and peripherals,

Boot into BIOS setup to enable Legacy BIOS. Next check BIOS Boot order for an EFI Boot Disk: remove it, set DVD drive first to boot, HD second. Then set SATA controller to AHCI. Save changes and Exit.

Then boot into installer DVD or flash stick burned or written using tool and latest ISO for your licensed here.

At first installer screen Press Shift + F10 to open a Command Box, type:

DISKPART
LIST DISK
SEL DIS 0 (after confirming Windows 7 target HD #)
CLEAN
CONVERT MBR
CREATE PARTITION PRIMARY SIZE=102400 (for 100gb partition, adjust as desired)
FORMAT FS=NTFS LABEL="WINDOWS 7"
ACTIVE
EXIT
EXIT

Next click Install Now to Clean Install Windows 7 to the partition you created. If it fails then report back at which step and the verbatim error message.

In addition read over these steps to understand the tools and methods which work best to get and maintain a perfect Clean Reinstall - Factory OEM Windows 7. The steps are the same for retail.

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RELEVANCY SCORE 54.4

I am in the process of doing a number of clean installs. I am trying to make a decision as to whether or not to utilize the UEFI and Secure Boot modes which are available on the MBs.

It seems from an initial attempt, that I cannot simply use UEFI/GPT without turning on Secure Boot...that is one must NOT use CSM (turn it off) and USE Secure Boot. You cannot use UEFI without Secure Boot.

Is this correct? I am considering us9ng UEFI without Secure Boot because I hear it is faster.

However, I am concerned that I will run into all sorts of trouble turning Secure Boot on with respect to double booting Win 10...and additionally with creating images with Acronis.

I have been in the habit of creating a new PC with an extra drive with a cloned OS...then disconnecting the drive so that if the first OS drive fails, the person can boot up quickly with the other drive. I am concerned that there will be a problem with Secure Boot.

I mean, how many times have I been infected with a root kit.....some virus that take over at boot time...Answer...never since I started with PCs in 1991!

So, anyone really think Secure Boot is worth it?

A:UEFI/Secure Boot or not to UEFI/SB, that is the question..

Originally Posted by Andrew124C41


I am considering using UEFI without Secure Boot because I hear it is faster.



Secure Boot does not affect the speed of your computer.







Originally Posted by Andrew124C41


However, I am concerned that I will run into all sorts of trouble turning Secure Boot on with respect to double booting Win 10...and additionally with creating images with Acronis.



Windows 8/8.1/10 are compatible with the Secure Boot.

I don't know about Acronis True Image but Macrium Reflect is compatible with the Secure Boot.







Originally Posted by Andrew124C41


So, anyone really think Secure Boot is worth it?



It is a very important security feature.






Microsoft designed Secure Boot to protect the computer from low-level exploits and rootkits and bootloaders. A security process shared between the operating system and Unified Extensible Firmware Interface (UEFI, replacing the BIOS), Secure Boot requires all the applications that are running during the booting process to be pre-signed with valid digital certificates. This way, the system knows all the files being loaded before Windows 8 loads and gets to the login screen have not been tampered with.

If a bootloader has infected your computer and it tries to load during the boot-up sequence, Secure Boot will be able to undo all the changes and thwart the ... Read more

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RELEVANCY SCORE 54

Hi everyone,
i joined this forum because i found a lot of interesting information here regarding Windows installations and unattended setups.
I've been in I.T. for 15 years installing windows since 3.1
We now are a a crucial step in Microsoft Windows life where all the computers with USB3.0 support, UEFI only and no legacy BIOS support are not compatible with Windows anymore.
When you try to boot off a USB you get:
\EFI\Micosoft\Boot\BCD error with a status of 0xc000000d
The latest hack i tried from a USB was to get all the Windows 10 setup files but replace the install.wim with the Windows 7 one.
When you do this, the install works and the windows setup files are laid down on the hard drive but after reboot you get the same error.
BCDEDIT doesn't help so the only thing i can think of is to mess around with the OSCDIMG.exe options to create a purely efi .ISO and see if that works.

Just wondering, has anyone here ever gotten this to work?
By the way, the unmodified Windows 7 Microsoft ISO boots up fine in a system where UEFI is on and secure boot is off, but from USB you get that error, which leads me to believe the OSCDIMG might be the key.
Anyway i wanted to get your thoughts and if i get something working i'll post a guide here because this site is useful and might help other people in the future.

Thanks.

A:Is Windows 7 x64 UEFI install even possible?

I re-built a couple of months ago and did a UEFI install of Window 7 Home Premium 64 bit.

Used an AsRock Z170 motherboard and an Intel 6600K.

It was more painful than earlier installs, but I got it done. I used a Windows 7 ISO that I made from a slipstreamed Windows 7 DVD installer that I made a few years ago.

I failed when I tried to install using an official Microsoft Win 7 ISO that I had just downloaded and put on a bootable USB stick. I got a failure midway through the "Windows is expanding files" portion.

I have no idea why the official ISO resulted in that error, when the ISO I made from a burned DVD did not.

Most of the motherboard manufacturer's have a USB 3.0 patch or workaround of some kind to get you past the lack of support for USB 2.0 Enhanced Host Controller (EHCI) mode with the Skylake motherboards.

AsRock has a "PS/2 simulator" that you can enable for the install and later disable.

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RELEVANCY SCORE 54

Can I install Windows 7 in UEFI? I just use ISO2Disc to burn Windows 7 ISO file to a USB flash drive with GPT, take the USB drive to boot off my UEFI-based PC, it still fails to boot. What step is missing? Or which edition of Windows 7 should I use for UEFI compatibility? Please help!

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RELEVANCY SCORE 54

If you're interested, this is why I posted this thread Windows 8 clean install crashes on first screen

Side note - I succeeded on installing Windows 8 on that particular laptop using UEFI, but NOT legacy. No matter what I tried it failed.

A:Why can't I install Windows 8 normally without using UEFI?

Windows 8 will install as Legacy. The download version does not even support UEFI for an .iso file burned to DVD.

If you can't install it that way, your bios is set to see only UEFI versions of the install media. Those settings are usually in a CSM or Security setting in the bios. Since OEM bioses seem to have many configurations, it is hard for us to give you definitive guidance as to which settings to change.

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RELEVANCY SCORE 53.6

Ok
I just upgraded to windows 8. I first install it, and then I Re-install it again using UEFI mode install.
On this screen (below), I Forgot! to click "NEW", (I just went ahead and click next).


Now this is what I get:

So did I ended up with the correct installation results?

Thanks

A:Windows 8 Uefi Install - I might have messed up

Hello Granzon, and welcome to Eight Forums.

You're all good to go. Your Disk Management shows that you have Windows 8 installed with UEFI.

As long as the selected hard drive is completely unallocated (no partitions), the Windows 8 installation will automatically format it properly with GPT for UEFI whether you clicked on New or Next. Well, that is as long as you boot from a Windows 8 installation UEFI USB/DVD.

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RELEVANCY SCORE 53.6

I created the USB flash drive from Microsoft's website.

Notebook Specs:
Processor Intel Core i3 2365M 1.4GHz
Motherboard Serial No: CAN0BC240456425
HDD: Seagate Momentus Thin ST500LT012
I have an ASUS Q200E notebook and I have been trying tore-install Windows 8 from the USB flash drive unsuccessfully. Basically,Windows installer cannot 'see' the hard disk but gives the option for driversto be loaded. I have tried several drivers from ASUS downloads but noneworked.

NOTE: In UEFI, when I disable Fastboot, enable CSM and disable SecureBoot Control, I see the hard disk. However, when I insert theinstallation USB drive, I no longer see it.

I would really appreciate any help I can get, whether to point me to the correctdrivers or otherwise. Thanks.

A:Unable to Install Windows 8.1 from UEFI USB

How did you create the flash drive. I recommend using Rufus to create a UEFI/GPT setup flash drive.

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RELEVANCY SCORE 53.6

Hi guys.
I have been sitting with this problem for 3 days now.
So, I just bought a HP Pavilion 15 notebook with a 1TB hard disk and a preinstalled windows 8.
I absolutely HATE win 8 but nevertheless I need to keep it on my comp for certain things I might need to do in the future. And I want to dualboot Win 7 ultimate x64 with it.

I run into problems both ways:
I created an UEFI bootable USB on a 16 GB stick with Win 7 Ultimate x64. I am completely positive I have done it correctly, started from diskpart, followed all the steps for cleaning and partitioning it that has een posted to VEY many forums and from there, I extracted the windows 7 ISO and copied it on the prepaired stick. I then made sure that the bootx64.efi is located not only in /efi/Microsoft/boot but also in efi/boot, since loads of people say the UEFI boot expects to find the file from there.
When I have disabled the secure boot from the BIOS, and enabled UEFI boot, I restart the pc. I use the f9 button to load into the boot options and it show me the stick as UEFI boot ready. I boot from it, and as soon as it gets to the Starting Windows logo BEFORE it lets me to choose the install options, it freezes. Tried taking the stick out and putting it back in, nothing. Also tried leaving it hang overnight, all the same in the morning. still hangs (people have said in forums that sometimes it may hang for half an hour but then still goes further with the install.

Then I decided ill try the legacy enabled boot. It Bo... Read more

A:Problems with UEFI windows 7 install!

Have you tried updating the bios?

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RELEVANCY SCORE 53.6

I have just recently bought a new computer.

If I knew I was going to have this issue I probably wouldn't have bought a 4TB HDD but anyway.

What I have done is read the article (this is where I found out I couldn't install to the 4TB HDD in the first place) on how to install Windows in UEFI format. I have created a USB flash to do this but still my HDD partion is only showing up at 1.6TB. It is setup as a GPT file format as it gave me all the prompts and created the Recovery, system partitions etc. How do I get this to work so when I do the install it shows up in the first place as the 4TB partition or at the end of it all is still not possible?

What I will be doing is installing Windows on this 4TB patition and then using a 256GB SSD in SSD Caching.

Am I better off getting a 1-2TB drive and installing normally instead of wasting my time or can this be done?

Cheers
Michael

A:Windows 8 install using UEFI still doesn't see 4TB

Some information that may (or may not) help you:

How to initialize a data disk by using GPT
Windows support for hard disks that are larger than 2 TB

UEFI Bootable USB Flash Drive - Create in Windows

Good luck.

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RELEVANCY SCORE 53.6

HiI have a Pavilion P210-ne NotebookI have updated my bios to latest version I disabled Legacy mode And use an Uefi bootable usb That Created by Refuse and using standard windows 10 iso (Uefi version)Also i tried with a bootable Windows dvd(with uefi file) But in both way After turning on my notebook i just see black screen with this message (boot device not found) I Tested my usb and dvd withe another notebook from asus and its work correctly 

A:I cant install windows 10 in uefi mode

1001fboy When you install in UEFI mode, the installer expects to see a drive that has been formatted in GPT mode, not MBR. So, you need to confirm that your drive is formatted in GPT mode. You probably also need to disable Secure Boot in the UEFI menu. Good Luck========================================================================I am a volunteer and I do not work for, nor do I represent, HP.---------------------------------------------------------------If my posts helped you, please click the Thumbs-Up symbol on my post to say thanks.If my posts solved your problem please click "Accept As Solution".======================================================================== 

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RELEVANCY SCORE 53.6

So, what is that basically ? When i boot from my usb stick, i have the option to install in UEFI mode and in normal mode.

I know in UEFI mode it makes 4 partitions, and in normal mode just 2 partitions.

So basically if i install in UEFI mode i will have better windows 8 implementation and it will boot and post and run faster ?

What are the advantages for installing in UEFI mode vs normal mode ?

And why in UEFI mode the OS creates 3 additional partitions, instead of only one ?

A:Windows 8 install in UEFI mode

For more info on uEFI:
Windows and GPT FAQ
Unified Extensible Firmware Interface - Wikipedia, the free encyclopedia
UEFI and Windows
Technical Note: UEFI BIOS vs. Legacy BIOS, Advantech(EN) - YouTube
Sample: Configure UEFI/GPT-Based Hard Drive Partitions by Using Windows PE and DiskPart

Lenovo uEFI Windows 7.
Lenovo UEFI Demo Clip.wmv - YouTube

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RELEVANCY SCORE 53.6

Hi, can I install a Windows OS normally if I have UEFI or is there a different procedure? By normally I mean what I always did which was: boot from installation disc, follow steps, format (if necessary), click next, next, etc. I ask because I'm building a computer for the first time in a long time and last time I installed Windows 7 it was done like that, but I'm guessing my motherboard was BIOS and not UEFI. Maybe there's absolutely no difference, I just want to make sure and learn.

Also I should point out I've researched quite a bit but I'm still really not that well informed in the differences between BIOS and UEFI or what they are, although I understand they are similarly different firmwares that help communicate with the OS and all the other components. But what is the difference between UEFI and BIOS and how do I know which one I have, does it come with the motherboard? Is that how i can tell? Sorry if things don't make sense, I'm a noob.
 

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RELEVANCY SCORE 53.6

hey guys,

what can you recommend to do a backup of my system before I wipe it and clean install windows..

I want a simple and effective program that works..

I know even windows 8 has a usb recovery disk.. can i clone/backup my hard drive through windows and is it effective?

I need some recommendations. I would like to just use windows if possible so then i dont have to have any 3rd party involvement.. but unless its free and more effective than the windows backup..

I'm also asking because i just got a new laptop with pre-installed windows 8.1 and i haven't even turned it on yet because i was going to boot it up through a usb recovery disk and totally backup the system before I even turned it on for the first time..

A:About to install windows 8.1 usb (UEFI) need bakup

Use Macrium Reflect Free to create a backup image to an external Hard drive. Here's the video I made a while back, it will work with all versions of Windows.

NOTE: This video shows you how to backup just Windows OS (Hidden partitions + C drive). If you want to backup the whole drive, Use the option: Image this disk...

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RELEVANCY SCORE 53.6

There are two boot options on the list, aside from the drives:

Lexar USB Flash Drive
UEFI: Lexar USB Flash Drive

When booting from UEFI, it skips past the flash drive straight to the SSD which has Linux Mint.
When booting without UEFI, it goes into the windows install, but it gives an error after the "setup is starting" screen, saying "A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now."

In the asus bios, CSM is enabled
Boot device control: UEFI and Legacy OpROM
Boot from Network Devices: Ignore
Boot from Storage Devices: Both, UEFI first
Boot from PCIe/PCI Expansion Devices: Legacy OpROM first

My mouse also doesn't work in the installer

The USB installer worked on a different computer, which leads me to believe that my BIOS is not compatible with this install. Windows 10 worked on it before, until it corrupted and broke completely.

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RELEVANCY SCORE 53.6

Hey guys, I've never seen a full guide to installing Windows 7 in UEFI mode before anywhere, trust me I've looked. But I managed to pull it off a few days ago. So I thought I'd share it with you guys

What you'll need:
A Windows 7 64 bit ISO (doesn't matter what edition and can be an All in One disk.)
Virtual Clone Drive (To Extract ISO Contents)
8GB+ USB Stick
A UEFI BIOS
7-Zip
A Computer already running Windows

Steps:
1) Install Virtual Clone Drive Link Here and also install 7 zip Link here

2) Make a flat copy of your windows 7 x64 ISO, which mean just extract the contents of the ISO into a folder. First you'll want to mount the Disk Image, by right clicking and mount to Drive E: for example.
Mounting Image Example

Next open the disk drive you mounted it to, and copy the contents to a place you'll remember. (This will take a while)
When it's done it should look something like this

3) Format your USB Stick.
Just go to computer, right click it and press format. Make sure you change file system to FAT32. This is so you can boot from it.
Settings for formatting

4) Now here's the hard part. Preparing the flat copy for UEFI.

Go to the EFI folder, make a new folder in there called "boot".
Now go into the "Microsoft" folder which is in the EFI foler. Then boot, and copy the contents.
What it should look like
Put that into your boot folder you just made.

Now that's done. Go to the Sources folder which is in the root Here!
Scroll down to boot.wim, and ... Read more

A:How to install Windows 7 in UEFI Mode with a USB

Hello immersive, and welcome to Seven Forums.

This may be a bit easier to follow instead.

UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

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