I'm working on an HP 15-bs191od, product number 2UE53UA. It had BIOS F22, and after attempting to update to the latest bios F71, the display remains black.
I've attempted the BIOS recovery steps published by HP (e.g. ctrl-v, ctrl-b, ctrl-esc) without success.
I do not have a copy of the original BIOS, but a dump of the contents of the Winbond 25Q64JVSIQ chip is attached (dumped using TL866A using chips settings for 25Q64BV). (The latest bios from HP is available at
https://ftp.hp.com/pub/softpaq/sp143...0/sp143731.exe )
I've reviewed the "BIOS,...
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