Windows 8 and 8.1 Forums

Format HD and install windows 8.1 from windows 8

  1. #1

    Format HD and install windows 8.1 from windows 8

    I have Windows 8 in my desktop PC and want to format my hard disk's partition where windows 8 is and install Windows 8.1.

    For this, I have a bootable USB with Windows 8.1.

    When I try to access BIOS to change the boot order of the PC, pressing DEL (as I always did without problem in previous versions of windows) sends me to a blank screen. The BIOS never load. I tried waiting more than 30 minutes. It wont load.

    I also tried clicking RESTART while holding the SHIFT button to access the advance options, but it doesn't show the UEFI Firmware setting that it was supposed to.

    Finally, I tried to enter through the PC SETTINGS in the charm bar, but it doesn't show the Update and recovery option I was looking for.

    I don't know what else to do. Could you please help me?

    Thanks a lot!

      My System SpecsSystem Spec

  2. #2

    Posts : 1,950
    windows 8.1 Update 1 Pro 64bit

    Unplug all the HDD's this should force you into the Bios screen.
      My System SpecsSystem Spec

  3. #3

    Sydney, Nova Scotia, Canada
    Posts : 6,476
    Windows 10 Education 64 Bit

    Check and see if Windows 8's Fast Startup is enabled, if it is turn it off and try again. Fast Startup - Turn On or Off in Windows 8
    I've seen many posts where this feature has made it difficult or impossible to enter the BIOS.
      My System SpecsSystem Spec

Format HD and install windows 8.1 from windows 8

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