Windows 8 and 8.1 Forums


UEFI Win8PE don't boot from GPT harddisk

  1. #1


    Posts : 35
    windows 8

    UEFI Win8PE don't boot from GPT harddisk


    I've made a UEFI Win8PE by WADK , then burn it to a CD. I boot normal and I can see X:\Windows\System32.
    I use EasyBCD to [Add New Entry] to append new boot item to existing Windows 8. The boot menu becomes like this :

    Windows 8
    Win8PE

    But the Win8PE fail to boot with error message like insert Windows disc again ...... in the primary black and white screen.

    Should I not to use EasyBCD to [Add New Entry] ? As I do the same thing in BIOs + MBR harddisk that booted perfect. In UEFI + GPT partition , do I better not to use EasyBCD , instead to use BCDEDIT , if so , what's the command line to do this with bcdedit ?

    Thanks

      My System SpecsSystem Spec

  2. #2


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


    WinPE3 x64 & WinPE4 x64 have two boot modes, Legacy & UEFI.

    Click image for larger version
      My System SpecsSystem Spec

  3. #3


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


    If you added it as an iso, easybcd uses grub4dos. I don't know a way to get windows to boot iso files.

    You could try extracting boot.wim from the iso\sources folder. Then add boot.wim to your menu with easybcd.
      My System SpecsSystem Spec

  4. #4


    Posts : 35
    windows 8


    I've tried this already , but also boot failure.

    Meanwhile I found that only the ADK's winpe.wim boot OK and I can see X:\Windows\System32

    "C:\Program Files (x86)\Windows Kits\8.0\Assessment and Deployment Kit\Windows Preinstallation Environment\amd64\en-us\winpe.wim"

    But I've encounter a lot of problems :

    1. Once ADK winpe.wim added ,msconfig has the following boot options with 30 sec countdown :

    Windows 8
    Win8PE

    a) When computer start , sometimes it boot directly to Windows 8 OS with no above bootmenu
    b) When computer start , bootmenu popup , but the countdown timer disappear even I've set the countdown time to 5 sec , it wait for your choice for years.

    2. ADK's winpe.wim can be boot , but when add programs in X:\Windows\System32. They all executed with error and stop running (Nothing can be done)

    I do my ADK winpe.wim in this way , create a new harddisk partition say E: , then :

    cd "C:\Program Files (x86)\Windows Kits\8.0\Assessment and Deployment Kit\Deployment Tools\amd64\DISM"
    imagex /apply "C:\Program Files (x86)\Windows Kits\8.0\Assessment and Deployment Kit\Windows Preinstallation Environment\amd64\en-us\winpe.wim" 1 E:\ /verify
    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} detecthal yes
    bcdedit /set {insert new guid} winpe yes

    Automatically msconfig has the WinPE boot option
    Thanks
      My System SpecsSystem Spec

  5. #5


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


    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.
      My System SpecsSystem Spec

  6. #6


    Posts : 35
    windows 8


    Dear SIW2,
    Actually I've no idea what to do with it. So I don't know why I've to extract it , as I just find it from the web and follow it's way which leads me to succeed. As I just want to know how to succeed.
    It seems you know how to do with it. Please, would you mind to tell me how to do it without extracting the wim file ? Thanks
    Actually , after succeed to boot this winpe , I can see X:\Windows\System32 command prompt. But encounter another questions :

    1. In msconfig the boot is :
    Windows 8
    WinPE (30sec boottime)
    a) Sometimes computer boot directly to Windows 8 without showing the bootmenu
    b) Sometimes computer boot with menu like above , but the 30sec didn't shown up and of course has no count down

    2. I've write a little program with VB6 to backup and restore Windows with ghost.exe . I copy this restore.exe with msvbvm60.dll to
    the wimpe.wim. But when winpe boot to X:\Windows\System32 and run restore.exe , an error message with something like "supported image type system not exist"

    It's very strange that in MBR Windows 8 , I can use boot.wim and add any of my program in it. Then use EasyBCD to "Add New Entry" , this WinPE boots normal and fine as what I want.

    But in UEFI/GPT , the same boot.wim boot failure ????

    Please help. Thanks
      My System SpecsSystem Spec

  7. #7


    Posts : 35
    windows 8


    I've tried to use EasyBCD directly "Add New Entry" to WinPE without extracting it. Boot computer and choose Winpe to boot , the bottom white bar load , after finished , the screen becomes black out for a very very long time !!
    Also , sometimes it boot directly into Windows 8 with bootmenu shown up. Sometimes there's boot menu , but no count down time ?
      My System SpecsSystem Spec

  8. #8


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there
    Why not simply download W8.1 Enterprise trial and create a Windows to GO system -- saves all the hassle of WINPE of any release.

    You can create a Windows to go on "non-certified" devices manually.

    Creating a Non-Certified Windows To Go USB Drive » ADMIN Magazine

    (for the 64 bit version use the F3--- data instead of the F1--- data file specified in the link).

    This is a REAL Windows system that runs totally off an external device (external SSD or USB3 device runs really fast too) where you can install recovery tools, office or whatever you like just as with windows.

    Cheers
    jimbo
      My System SpecsSystem Spec

  9. #9


    Posts : 35
    windows 8


    I've already got the Win82Go in my USB harddisk. But what I want is Win8PE in my UEFI/GPT harddisk to make dual boot of it. This is for Backup and Recovery Windows purpose. I don't want bootable DVD.
      My System SpecsSystem Spec

  10. #10


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


    "supported image type system not exist"
    You need the same bit version of ghost.
    If you are using 64 bit winpe. you need 64 bit ghost restore program.

    If you only have 32 bit version of ghost, then make a 32 bit winpe.

    You can put the boot.wim on another partition, then add it to your boot menu with Easybcd.
      My System SpecsSystem Spec

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UEFI Win8PE don't boot from GPT harddisk
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