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bigchuk00

Cannot enable Legacy mode to install bios

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Hello. I'm currently running windows 10 on bios version 1.00 and want to upgrade to 1.03 but cannot boot Ms dos flash in uefi. There is no option to enable Legacy mode and the option to disable uefi in bios is greed out. When I try booting from flash in bios, it shows black screen and returns back to bios screen. My rig is a p157sm. Any help will be appreciated as I'm looking to install prema bios mod. 

Edited by bigchuk00
Added content and made corrections

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Hi!

Try go in bios setup menu, and disable "Secure Boot" and "Fast Boot".

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Secure boot disabled and grayed out. Uefi is enabled and grayed out no option for fastboot. This is why I'm confused. 

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22 hours ago, bigchuk00 said:

Secure boot disabled and grayed out. Uefi is enabled and grayed out no option for fastboot. This is why I'm confused. 

In order to change the secure boot setting, you need to set a supervisor password.
Once password is set, secure boot setting will no longer be greyed out. Disable.
Switch UEFI to legacy and save. Now enter BIOS again and clear the supervisor password.

Edited by Klem

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