Windows 8 and 8.1 Forums


windows 8 corrupted. how to enter save mode and bios

  1. #1

    windows 8 corrupted. how to enter save mode and bios


    Lenovo g500 windows 8 cannot start. only lenovo logo is displaying. I have tried f8 and shift+f8 to enter save mode, reseated ram and battery, f1, f2, and del to access bios to change boot option but failed. please help
    Last edited by Ngzek; 04 Jan 2016 at 13:37. Reason: incomplete

      My System SpecsSystem Spec

  2. #2


    Posts : 2,130
    Windows 8.0 x64


    Could you give more info on what happens? For example you boot to safe mode without network support and what does it show? You tried to boot from USB? If so what OS was on the stick? What was the output if any?
      My System SpecsSystem Spec

  3. #3


    Windows is not starting so I need to access bios settings to change boot option also I tried shift f8, fnf8 and f8 to access advance startup but fail. Lenovo logo is still displaying. Keyboard is fully working
      My System SpecsSystem Spec

  4. #4


    Posts : 2,130
    Windows 8.0 x64


    On my Toshiba Laptop pressing F12 on start will allow me to temporarily change the boot order and/or enter bios/uefi settings. Perhaps yours is the same.

    Edit: Note that I have the keyboard set so that function keys are accessible without having to hit the Fn key. If your system is not set that way try hitting Fn and F12.
      My System SpecsSystem Spec

  5. #5


    On my HP, the ESC key allows me to view the F-key layout for boot options.
    F-8 fo BIOS settings
    F11 Recovery Tools

    What happens when you try ESC or F-1 before OS attempts to load?
      My System SpecsSystem Spec

  6. #6


    Thanks friends for your help. Yes you are right there's different brands with different function keys. I mean today's windows modify bios and not allowed us to enter bios setup. When windows is working we can easily access bios setup and advance startup.
      My System SpecsSystem Spec

  7. #7


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Windows has nothing to do with the Bios. Try fnf2 for Bios screen, or fnf12 for boot options.
      My System SpecsSystem Spec

  8. #8


    Thank you Broe23. Windows 8, 8.1 & 10 do not shutdown completely. When windows is working we use restart for complete shutdown and can reach bios setup by pressing its own function key but here windows(may be in sleep mode/hibernation/hybrid) cannot start. I reseated ram, cmos battery and main battery to reach bios setup but nothing happen always Lenovo logo is displaying actively. I have tried many function keys including keys you mention above.
      My System SpecsSystem Spec

  9. #9


    Posts : 9
    Windows 7/8/10 UEFI/GPT system
      My System SpecsSystem Spec

  10. #10


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Nipax Windows 8.1 & 10, you have to hold down the Fn key and then press Fn2 to get into the Bios, because of newer computers with the UEFI bios allow for that, if you do not have them set for Standard, where you just have to press the numbered Function key.

    If you used an older computer without a UEFI bios, you just press the numbered Function key. Not that hard, pretty simple as we have stated.

    The only thing that could cause you not to get into the Bios settings, is if you have "Fast Boot" enabled in the OS. Then you have to hold down the Function key sequence, before powering up the computer.
      My System SpecsSystem Spec

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windows 8 corrupted. how to enter save mode and bios
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