1.    15 Dec 2015 #1
    Join Date : Nov 2015
    Posts : 16
    windows 10

    How to temporary boot into hard disk if my first boot option is USB?


    I'm making a image for installation of windows 10.
    I make a USB flash drive with WINPE. and once the device starts into WINPE, it will automatically start to install windows 10 by calling "dism /apply-image".
    Normally i just shutdown the computer after installation, but now i want to reboot the device and boot into the windows i just installed. But i can't, because if i reboot the device, it will boot into WINPE again and start another turn of installation of windows.
    How could i temporary boot into my windows 10?
      My ComputerSystem Spec
  2.    15 Dec 2015 #2
    Join Date : Jul 2015
    Posts : 9,548
    Windows 10 Pro

    Seems like you are doing it backwards. Set the hard drive as the primary boot device and temporarily boot the USB flash drive the first time. Then on restarting the first time during the Windows 10 install it will boot to the hard drive and ignore the USB flash drive.
      My ComputerSystem Spec
  3.    16 Dec 2015 #3
    Join Date : Nov 2015
    Posts : 16
    windows 10
    Thread Starter

    Actually, I have to set default option to USB. Because my device is a tablet without keyboard. it's really hard to enter BIOS setup UI.
    So set USB as default options provide better experience
      My ComputerSystem Spec
  4.    16 Dec 2015 #4
    Join Date : Nov 2015
    Posts : 16
    windows 10
    Thread Starter

    Maybe i can change the way of doing it.
    Is there any way to change the BCD of WINPE in USB Flash to temporarily boot into hard disk windows?

    I did this:
    1. after installation, i use ""bcdedit /set {cbd971bf-b7b8-4885-951a-fa03044f5d71} device partition=W:" ""bcdedit /bootsequence {cbd971bf-b7b8-4885-951a-fa03044f5d71}". Where W is the partition where i install my windows.
    2. But W: is temporary in WINPE, after reboot, it can't find W partition, and reboot into WINPE again.

    Is there any resolution?
    Last edited by demonguy; 16 Dec 2015 at 04:10.
      My ComputerSystem Spec
  5.    18 Dec 2015 #5
    Join Date : Nov 2015
    Posts : 16
    windows 10
    Thread Starter

    I successfully change the USB BCD and boot into windows from USB
    But when windows is booting, i got this error "windows could not update the computer's boot configuration"
      My ComputerSystem Spec

 


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