Windows 10: failed to boot from selected device

Discus and support failed to boot from selected device in Windows 10 Installation and Upgrade to solve the problem; so, im trying to boot from a USB, but when ever i go to boot from device then select the USB it says cannot boot from this device, anybody know why?... Discussion in 'Windows 10 Installation and Upgrade' started by 8c2n10yt897ewqyhecno, Jun 29, 2020.

  1. failed to boot from selected device


    so, im trying to boot from a USB, but when ever i go to boot from device then select the USB it says cannot boot from this device, anybody know why?

    :)
     
    8c2n10yt897ewqyhecno, Jun 29, 2020
    #1
  2. A Monell Win User

    confused about selecting boot device


    This is good information but I am confused about step 2 below. Wouldn't I need to select whatever device, USB or DVD, the install media is on at this point and not how I want the final install to boot?
    Thanks,and sorry for dragging up an old post but it had most of the info I was looking for.

    It is up to you whether you want to install Windows using MBR or GPT and you need to set the option in the BIOS for MBR or GPT style installation.

    Having said that. Here's the steps:
    1. Disconnect all HD/SSD except the one you will be installing Windows
    2. From the boot menu, Select #1 for GPT or select #2 for MBR to boot up the Windows Installation
      Attachment 29081
      NOTE: The screen is an example and might look different from yours
    3. Once the Windows Installation started. On the first screen, Press and hold SHIFT Key + F10, a command Windows will popup then type:
      - diskpart
      - select disk 0
      - Clean
      - Exit
      - Exit
    4. Click Next to continue.
    5. Select Custom
    6. Select the first unallocated partition and click next. Windows will create all needed partitions to install Windows 10
    7. Follow all the rest of the instruction to complete.

    MBR installation:
    1. 500MB System Reserved partition
    2. C: Drive
    GPT installation:
    1. 450MB recovery partition
    2. 100MB EFI System Partition
    3. 16MB MSR partition
    4. C drive.
    [/QUOTE]
     
    A Monell, Jun 29, 2020
    #2
  3. btarunr Win User
    Can't boot from DVD drive

    Is your controller in RAID/AHCI modes? If so, the DVD drive will be listed as a separate device in the list of available boot devices, not as "CDROM". Remember that when setting boot device priority. Otherwise, read the manual to see which hotkey during POST brings up the boot menu that lets you select which device to boot from. Even here, the drive will be listed separately, and not as "CDROM".
     
    btarunr, Jun 29, 2020
    #3
  4. Ma. Lau Win User

    failed to boot from selected device

    selected boot device failed

    Hi,

    We would like to know more about the issue. kindly provide the following:

    • Do you get any error messages? If yes, kindly provide us the complete error message or code.
    • Are you able to sign in on your computer?
    • Can you send us a screenshot where you get the black screen with a message "Selected boot device failed"?
    We are looking forward to your response.

    Regards.
     
    Ma. Lau, Jun 29, 2020
    #4
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failed to boot from selected device

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