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BIOS Recovery for bricked HP AMD-based Laptop
I am not sure where to post this so pls [mods] help me out.
This concerns a 'bricked' HP G4-1117dx, which had intermittent issues for months, then quit according to the user. The hard drive is fine. The system, when powered on, runs the fan, checks the optical drive, displays the LED'S at the power button and WIFI indicator, but no other evidence of life. not a hint of video, no beeps. Holding F11 or F12 produces nothing. Using the HP recommended key-sequence for recovering "last good copy" of bios fails [trying Windows-Key+V, or Windows-key+B]. Trying all this with external monitor as well as onboard produces no vid. So this is my last shot before pronouncing the MB dead.
The applicable page at HP for doing this sort of recovery is https://support.hp.com/us-en/document/c02693833 but Section 3, Steps 5 through "n" are simply wrong. Not all BIOS softpaq's have the implied utilities with them [the one I downloaded for this system does not].
I"m thinking that somewhere there is a force-write utility that can be put on a USB stick and auto-run, which is what HP has done for some of their systems. Although I'm puzzled as to how such can work if the system BIOS is corrupt, I'm hardly a BIOS code expert.
any clues/links/tips you can provide will help. thank you