Windows 8 and 8.1 Forums

UEFI Win8PE don't boot from GPT harddisk

  1. #11

    Posts : 35
    windows 8

    But what I know is EasyBCD don't support UEFI. But you remind me to use 32-bit winpe. I'll try it

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  2. #12

    Posts : 35
    windows 8

    What I know it EasyBCD don't support UEFI , but you remind me to try 32-bit winpe. Thanks
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  3. #13

    Posts : 5,360
    7/8/ubuntu/Linux Deepin

    What I know it EasyBCD don't support UEFI
    I thought it did. Never tried it with an EFI system, though. Perhaps Easybcd sets the entry to winload.exe, instead of winload.efi. That should be easy to change.
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  4. #14

    Posts : 835
    Win 8.1 Pro
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  5. #15

    Posts : 35
    windows 8

    64bit winpe use 64bit program , I understand.
    What I mean is normatter what program you run will have the same error message :
    "The sybsystem needed to support the image type is not present"

    I've tried both 64 and 32bit WinPE already

    I repeat again , my problem is with Windows 8 and WinPE dual boot sometimes fail , and program in WinPE can't be run
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  6. #16

    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1

    Have you tried using the Symantec WinPE4 x64 CD?
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  7. #17

    Posts : 35
    windows 8

    I've tried Symantec Ghost x64 before already , also fail
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  8. #18

    Posts : 1,121
    Windows 8.1 x64

    It may not be relevant to your situation, but while checking on another thread, I ran across this on an ASUS site for a bios update. Just sort of jumped out at me.

    BIOS 0704
    1.Fixed F8 function is abnormal under fastboot.
    2.Fix WINPE UEFI mode can't boot.
    Essentio CM6730 - Desktops - ASUS
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  9. #19

    Posts : 5,360
    7/8/ubuntu/Linux Deepin

    I think that might be specific to Asus models. Could be useful to anyone who has one of those models - good find.
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  10. #20

    Posts : 4

    Quote Originally Posted by SIW2 View Post
    bcdedit /copy {default} /d "Recovery"
    bcdedit /set {insert new guid} device partition=E:
    bcdedit /set {insert new guid} osdevice partition=E:
    bcdedit /set {insert new guid} path \windows\system32\boot\winload.efi
    bcdedit /set {insert new guid} systemroot \Windows
    bcdedit /set {insert new guid} detecthal yes
    bcdedit /set {insert new guid} nx optin
    bcdedit /set {insert new guid} winpe yes

    Any reason you are extracting the .wim?

    I usually boot the wim off the drive.
    can you please show me how you did that. i tried the walkthrough on the mcirosoft page. it doesn't boot. i am getting error unmountable boot volume. thanks
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UEFI Win8PE don't boot from GPT harddisk
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