bios flash fail

airfunkg

Prominent
Jan 1, 2018
1
0
510
Lenovo b490 bios flash failed can't boot ,screen goes blank how to reset the laptop please any one help me
 


I have not seen a recovery flash work but that was on different model laptops, probably depends on exactly what happened to cause the failure. I have gotten a system to turn on after a bad flash, but it would never load past the BIOS screen.
 

Mark RM

Estimable
Jul 16, 2014
222
1
5,110


I've had it work twice in recent years. Keeps me from having to burn a new BIOS and solder it on with the station. That takes two hours if you include assembly/disassembly - a BIOS recovery can take a few minutes.

Worth a shot in any case.

 

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