No UEFI BIOS Access in Windows 10 Pro

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  1. M A Weiss's Avatar
    Posts : 56
    Windows 10 Pro
       #1

    No UEFI BIOS Access in Windows 10 Pro


    I am trying to get into the BIOS configuration, but the advanced startup options are unavailable in Windows 10 Pro. There is supposed to be a number of options like Windows Image Recovery and the ability to enter UEFI BIOS. How do I enable those?
    This Windows came pre installed, so I'm suspecting the factory set policies that lock out some functions. How to enable them?


    No UEFI BIOS Access in Windows 10 Pro-advstart3.png

    No UEFI BIOS Access in Windows 10 Pro-advstart1.png



    No UEFI BIOS Access in Windows 10 Pro-advstart2.png
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  2. steve108's Avatar
    Posts : 18,736
    19041.1466 - 2004/20H1 Pro x64
       #2

    Hello,

    For your immediate need to get into BIOS, try "shutdown /r /fw" from admin powershell and tell me if it works.

    Is your BIOS in UEFI mode?

    Create Shortcut to Boot to UEFI Firmware Settings in Windows 10
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  3. Ghot's Avatar
    Posts : 15,719
    Win 10 Home 10.0.19044.1466 (x64) [21H2]
       #3

    Reboot the computer, and start gently spamming the DEL key.
    That will get you into the BIOS on an ASUS motherboard.
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  4. M A Weiss's Avatar
    Posts : 56
    Windows 10 Pro
    Thread Starter
       #4

    Here's what happens when I enter that command:

    PS C:\windows\system32> shutdown /r /fw
    Boot to firmware UI is not supported by this system's firmware.(1)
    PS C:\windows\system32>


    I tried repeatedly pressing DEL key and startup, but it just goes to Windows every time. Never see a BIOS splash screen like older PCs. This is a fanless industrial PC from Kingdel. Just got it Monday and set up a server. But can't get into the BIOS for some reason. Behaves like UEFI with no splash screen and ignoring the DEL key at bootup.

    Shouldn't there be at least some recovery options like restore system image and a couple of other troubleshooting options?
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  5. steve108's Avatar
    Posts : 18,736
    19041.1466 - 2004/20H1 Pro x64
       #5

    Seems like DEL should have done it: Fanless FreeBSD – Kingdel PC – Neil's Notes

    No idea how Kingdel set it up - no customer service number to call or documentation included?
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  6. Posts : 39,311
    windows 10 professional version 1607 build 14393.969 64 bit
       #6

    See if there is a useful entry in this link:

    List of PC brands with their corresponding hot-keys
    Last edited by zbook; 27 Nov 2021 at 04:26.
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  7. Try3's Avatar
    Posts : 10,025
    Windows 10 Home x64 Version 21H2 Build 19044.1466
       #7

    M A Weiss said:
    Never see a BIOS splash screen like older PCs.
    1 Have you turned off Fast start?
    Turn On or Off Fast Startup - TenForumsTutorials
    This should make the computer maker's splash screen appear during bootup and give you the time to start tapping the relevant key to get into its Bios/UEFI or the relevant key to get into its Boot options menu.
    The relevant keys should be identified in the computer manual & on the maker's support site. They might also be identified onscreen while the splash screen is displayed.

    2 Is your computer booting into Bios or UEFI mode?
    Check if Windows is using UEFI or Legacy BIOS - TenForumsTutorials

    Best of luck,
    Denis
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  8. Megahertz's Avatar
    Posts : 3,498
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       #8

    Try3 said:
    1 Have you turned off Fast start?
    Turn On or Off Fast Startup - TenForumsTutorials
    This should make the computer maker's splash screen appear during bootup and give you the time to start tapping the relevant key to get into its Bios/UEFI or the relevant key to get into its Boot options menu.
    The relevant keys should be identified in the computer manual & on the maker's support site. They might also be identified onscreen while the splash screen is displayed.

    2 Is your computer booting into Bios or UEFI mode?
    Check if Windows is using UEFI or Legacy BIOS - TenForumsTutorials

    Best of luck,
    Denis

    Bingo

    Your current system is on a Legacy -MBR configuration. That is why it doesn't show a UEFI option.
    Windows Fast start is preventing you to enter BIOS during POST. You may also have a BIOS Fast Boot set that doesn't load USB BIOS drivers. In this case, you may need to do a CMOS (BIOS) reset.
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  9. steve108's Avatar
    Posts : 18,736
    19041.1466 - 2004/20H1 Pro x64
       #9

    Check Windows Disk Management .... if no EFI partition, another confirmation they system is MBR/legacy vs EFI.
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  10. M A Weiss's Avatar
    Posts : 56
    Windows 10 Pro
    Thread Starter
       #10

    The PC has a System Reserved partition that's 50MB. Is that the UEFI partition?

    I did manage to get into BIOS this time. Apparently, there is zero delay from power on (unlike every other PC I own), so I had to start pressing DEL the instant I hit power button. If I wait even 1 second, it starts booting Windows. My other PCs are UEFI and there's about 5-8 seconds of black screen before Windows shows signs of booting. This industrial PC lacks that delay.

    BIOS does have a "UEFI and Legacy" option, which is selected. I could change to "UEFI only" but I recall there's a process necessary to change Windows boot loader.

    But more concerning is there's no boot menu that lets me prioritize a USB drive for recovery purposes.
    On my other Windows machines, I can boot to a recovery menu. There are six choices on that menu, one of which is choose image recovery. Is that missing because Windows is configured for "fast boot"?

    This PC came with zero documentation. The manufacturer's website has nothing either!
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