Windows 10: Can't change computer bios to boot from disc

Discus and support Can't change computer bios to boot from disc in Windows 10 Support to solve the problem; The "Advanced UEFI settings" option isn't there if Windows was installed in Legacy mode. It's only an option if you install in UEFI mode. OK, thanks... Discussion in 'Windows 10 Support' started by TGMcCallie, Mar 31, 2017.

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  1. WOT
    WOT Win User

    Can't change computer bios to boot from disc


    OK, thanks for that clarification; however, I vaguely remember having a Lenovo laptop, that had an EFI-capable BIOS, that I had done a legacy install on, and I thought that option was available. So, maybe a pure legacy machine does not have that option as you have stated. Thanks again for the clarification.
     
    WOT, Apr 1, 2017
    #16
  2. ALPHANUMERIC
    alphanumeric New Member

    Ok, I know for sure its not there for a PC with Legacy BIOS. I'm assuming it won't be there if you install in Legacy mode. It was MIA on my wife's Acer laptop that has UEFI. It came back on a subsequent reinstall though. That laptop is a bit weird though. It's very fussy as to how you create your install media and doesn't show the UEFI option in the boot menu. It just shows Kingstone Data......, but installs in UEFI mode?
     
    alphanumeric, Apr 1, 2017
    #17
  3. WOT
    WOT Win User
    OK, thank you for that confirmation.

    My reference was sort of a mixed configuration. I had to do a legacy installation because, even though the bios was EFI-capable (as recognized by the Windows installer), all the EFI functionality was locked so an EFI install would hang. So, I created a USB installer, then I deleted the two EFI references in it (EFI folder and EFI boot manager) to force a legacy install, and completed the installation.
     
    WOT, Apr 5, 2018
    #18
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