Windows 10: Getting rid of non-working boot devices in the BIOS

Discus and support Getting rid of non-working boot devices in the BIOS in Windows 10 Support to solve the problem; Instead of trying every boot device listed, Is it possible to clean this list of the non-working duplicates? Or, edit their meaningless descriptions to... Discussion in 'Windows 10 Support' started by ineuw, Jun 8, 2019.

  1. ineuw Win User

    Getting rid of non-working boot devices in the BIOS


    Instead of trying every boot device listed, Is it possible to clean this list of the non-working duplicates? Or, edit their meaningless descriptions to identify them?

    :)
     
    ineuw, Jun 8, 2019
    #1

  2. UEFI boot options disappeared from BIOS; now getting reboot and select proper boot device

    In short, I need to get the system/BIOS to allow UEFI booting of the SSD.

    Computer started up today with default BIOS settings.

    • Only SSD 1(Windows boot) and SSD 2 were listed in BIOS; HDD 1 and HDD 2 were not visible
    • System would not boot. Gave the 'reboot and select proper boot device' message
    • Boot menu has no UEFI/EFI (or Windows Boot Manager) entries anymore
    I went into Partition Magic/Gparted and confirmed :

    • All drives are still showing
    • All drives' data is in tact [EFI volume/partition is still listed (and can be browsed/files accessible)]
    Gparted print out (note dev/sda2 apparently that is normal behavior) :

    /dev/sda1 (locked) EFI System Partition--Fat32--/media/sda1--100.00mb--46.81MiB--53.19MiB--boot,esp
    /dev/sda2 (exclamation mark) Microsoft reserved partition--unknown file system--no mount point--128.00MiB--unused spaced--msftres
    /dev/sda3 basic data partition--ntfs--/media/sda3--118.58GiB--70.78GiB--47.80GiB--msftdata
    /dev/sda4--ntfs--/media/sda4--450.00MiB--327.71MiB--122.29MiB--hidden,diag



    As I am able to boot Windows installation from USB, I tried the standard startup repair. It said it was not able to fix any problems.

    Next I tried to repair the EFI with Diskpart in the shell:

    • sel vol 1 (note that Diskpart states EFI partition is 'hidden')
    • assign letter=z:
    • cd /d z:\EFI\Microsoft\Boot\
    • bootrec /fixboot
    • bcdboot c:\Windows /l en-us /s vz /f ALL
    It completed all tasks successfully. Unfortunately that did not work.

    Other things I have tried :

    • Removing CMOS battery and replacing with a new one - my HDD started showing up again after doing this.
    • Using the old MBR commands(in hopes it would force the Windows startup repair to recognize and fix a problem)
    bootrec /fixmbr
    bootrec /fixboot
    bootrec /scanos
    bootrec /rebuildbcd​
    • Loaded BIOS 'optimized'/defaults (the system did this already once before, hence why I am in this situation, though doing it manually seemed like an option worth trying. Note that after doing this and restarting the system, HDD's stopped showing again)
    • Removed new CMOS battery and left it out of the system for thirty minutes
    • Formatted EFI and msftres partitions, then rebuilt the EFI boot records
    In summary, am looking to force the BIOS to see the EFI partition on the SSD boot drive, as it is not an option any longer.
     
    newconroer, Jun 8, 2019
    #2
  3. topgundcp Win User
    MSI bios boot logo (frozen?)


    If you have any USB device connected, disconnect for now.
    Go into BIOS:
    1. At boot time, the BIOS is checking for all devices attached to the PC, turn off the MSI boot logo under boot menu so you can see the text displayed of each step and note which device is hanging.
    2. Under Advance->Windows 8/8.1/10: Enable MSI Fast Boot so that BIOS will bypass checking most devices that are none essential for booting. This will improve the boot process. Note that this is different from fast boot that you set in Windows.
    Some third party drivers that you downloaded from the MSI website might not be up to date, try to download the latest driver(s) from the original manufacturers such Intel Chip Set, Network driver etc....
     
    topgundcp, Jun 8, 2019
    #3
  4. Getting rid of non-working boot devices in the BIOS

    bios

    Hi all i am new in this forum, i need meanings step by step of each item listed in the bios Phoenix-Award
     
    central473, Jun 8, 2019
    #4
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Getting rid of non-working boot devices in the BIOS

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