Windows 8 and 8.1 Forums


unable to access uefi

  1. #1


    Posts : 8
    windows 8 64 bit

    unable to access uefi


    i have a windows 8 64 bit lenovo g 580 20157
    unable to access bios or uefi
    when i try to access uefi pc just restarts
    have disabled quick start up in windows

    thanks for any help that can be provided

    also when i boot up pc and able to get menu go to bios or boot option just boots into windows

      My System SpecsSystem Spec

  2. #2


    Posts : 1,093
    Windows 8 Pro Windows 8.1 Preview


    Are you holding F2 down right after power on?
      My System SpecsSystem Spec

  3. #3


    Adelaide
    Posts : 1,338
    Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)


    Have you looked at these links?
    Quote Originally Posted by Brink View Post
    You could also boot to the "Advanced Options" screen like below to select the UEFI Firmware Settings option.

    Startup Options Menu - Boot to in Windows 8

    For a shortcut:
    Startup Options Menu Shortcut - Create in Windows 8
      My System SpecsSystem Spec

  4. #4


    Posts : 8
    windows 8 64 bit


    i have done all that i have at beginning got the menu to boot into bios or choose boot device just boots into windows have used the advanced startup just boots into windows
      My System SpecsSystem Spec

  5. #5


    Posts : 1,093
    Windows 8 Pro Windows 8.1 Preview


    Seems like you are not the only one having this problem:

    G580 Win8 Can't access BIOS - Lenovo Community
      My System SpecsSystem Spec

  6. #6


    Posts : 8
    windows 8 64 bit


    yeah i have read that im wondering if i can get it in legacy bios mode using bcdedit /set default bootmenupolicy not sure whats suppose to go in default
      My System SpecsSystem Spec

  7. #7


    Posts : 1,093
    Windows 8 Pro Windows 8.1 Preview


    Unplug the power cord (if connected) and remove the battery from the laptop for a few minutes, reinsert it, and now try to boot into your BIOS.
      My System SpecsSystem Spec

  8. #8


    Posts : 8
    windows 8 64 bit


    have tried that and even held power button down for 1 minute also removed hd since lenovo said to and tried that i dont even get a post without the hd in
    thanks for your advice appreciated
      My System SpecsSystem Spec

  9. #9


    Posts : 1,093
    Windows 8 Pro Windows 8.1 Preview


    I have an ASRock UEFI capable motherboard and it can be configured to "always boot to windows" and "always deny UEFI access on boot" if you have it configured for the 1 second boot option. To gain access to the UEFI BIOS, one must download and install an additional ASRock utility that can be run in Windows and you can set an option to "boot into UEFI on next restart."

    So, maybe Lenovo has a similar utility and maybe it is already installed on your laptop.
      My System SpecsSystem Spec

  10. #10


    Posts : 8
    windows 8 64 bit


    wouldnt easybcd be able to do this
      My System SpecsSystem Spec

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unable to access uefi
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