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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.

‎04-21-2021 02:22 PM - edited ‎04-21-2021 02:24 PM

HP Recommended
Product: Pavilion G6/G4
Operating System: Microsoft Windows 10 (64-bit)

Hello,

On Pavilion G6/G4 2000 series Intel CPU notebook PC,

Once update bios to F.27 from sp77532

Attempting to Rollback to sp66805 F.26 will not be allowed.

in windows  "This BIOS file is not allow to flash" "The flash process will be terminated"

radtw_0-1619032772772.png

And from UFEI bios management it will say signature verfication failed

Does anybody know how to rollback BIOS?

 

I tried recovery USB stick, but Windows+B +power button doesn't  go into BIOS recovery for me.

I only see Blank screen, Cap Lock light blinking and fans being loud.

 

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