Hello, I have been lurking the forums for a few hours and just wanted to make sure my understanding of the process is correct. From what I can tell, none of the HP flash tools will work for this laptop (645 G9), and the BIOS must be manually edited by someone. From my understanding you cannot just remove the password from the BIOS and reflash it, the entire DMI must be erased. I believe only the SPI ROM chip is flashed, and the EC ROM chip is not touched. I have read Rex98's process for the first two boots after flashing a new BIOS. Then the HP BCU is used to edit the BIOS DMI values back to their...

Hello, came here to learn how to remove a BIOS password on an HP Elitebook 645 G9. I have a weird motherboard revision where the SPI ROM chip is in a socket so the chip isn't actually soldered in. Need to research my flash tool and if I need to do the voltage mod. I found a post about Lenovo laptops that was interesting [url]https://cybercx.co.nz/blog/bypassing-bios-password/[/url]. I don't know if new members can post links, if you google "Lenovo hardware hacking" there is an article about how some Lenovo laptops store password information in a separate EEPROM chip, and shorting the...