Windows – How to get to the BIOS settings using Windows 10

biosbootwindows 10

I’d like to get to the BIOS when using Windows 10 Home and Lenovo Ideapad S400. I tried to use the Advanced Startup as described in the example on this page. But there is no UEFI Firmware Settings option.

So I searched the web and find another option wich advices to go to the “Advanced Startup -> Troubleshoot -> Advanced Options -> Startup Settings” and then Restart.

After restart I always got stuck at this screen:

Which doesn’t react to any key pressed. Only option to get rid of this is to restart computer by power button.

Do you have any other ideas how to get to the BIOS or how to get through?

Update: Ok, apparently the real reason why I’m not able to enter BIOS is that the keybord doesn’t work before starting the system. I tried to connect external one, but no result.

Best Answer

You can't access BIOS or UEFI Firmware settings in F8 settings. You must consult Lenovo for the BIOS key combo. Also, sometimes when booting, the POST screen (the initial logo screen) will show the combo. FOR LENOVO: it is F1 or F2.

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Windows 8 boot into UEFI firmware settings missing

If you installed Windows 8 the U/EFI way you should be able to access UEFI options.

To check if you boot UEFI way - when in Windows run on admin command prompt:

bcdedit

output lists bootmgr and loader/s.

for example:

    Windows Boot Loader
 =========================

identifier              {current}
device                  partition=C:
path                    \Windows\system32\winload.efi
description             Windows 8

If path ends in .efi - you boot U/EFI way

else path ends in .exe - you boot BIOS way.

To install Windows 8 the UEFI way you have to boot installation media (USB/DVD) the UEFI way.

UEFI firmware usually allows BIOS booting (over CSM) and UEFI booting for DVD/USB.

Destination disk for installation must be a GPT style disk.

When converting a MBR disk to GPT disk (usually) existing partitions are lost.

Windows 8 + UEFI BIOS, “UEFI Firmware Settings” Missing

If you're currently booting in BIOS/CSM/legacy mode, you can convert to an EFI/UEFI-mode boot by installing a suitable EFI-mode boot loader. This process is described here, but be aware that this page is geared toward using DUET on a BIOS-based computer; on a system that supports EFI, you don't need to install DUET, so you can ignore the DUET information on that page.

Best Answer

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Windows 8 boot into UEFI firmware settings missing

Windows 8 + UEFI BIOS, “UEFI Firmware Settings” Missing

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