HP provides a BIOS recovery tool, which can be used to recover a corrupted BIOS. You can download the tool from the HP website.
I plan to program the BIOS chip directly using a CH341A programmer. Does anyone have a verified backup or the original .bin file for the HP Pro 3500 MT they could share? hp pro 3500 series mt bios bin file fix
This is the safest first step and does not require opening the machine or special hardware. [Help Request] HP Pro 3500 MT BIOS Recovery HP provides a BIOS recovery tool, which can
To fix the BIOS, you first need the correct firmware file from the HP Support website . HP provides a BIOS recovery tool