: Obtain the latest BIOS SoftPaq from the HP Support Page by searching for " EliteBook 840 G5

For the HP EliteBook 840 G5, the BIOS/UEFI firmware is stored on a 16MB or 32MB SPI flash memory chip on the motherboard. The "BIOS bin file" is the complete data set required to re-program that chip. This is distinct from the standard spXXXXX.exe update files you download from HP’s support website.

If you are reading this, chances are your HP EliteBook 840 G5 is suffering from a "black screen of death," a corrupt firmware update, a failed BIOS recovery, or a password lockout. In these moments of despair, one file becomes the center of your universe: .

If your downloaded bin file is 16MB but your chip is 32MB, you have the wrong file. The EliteBook 840 G5 uses a 32MB (256Mb) BIOS. Some vendors supply a "clean ME" file—ensure it fits exactly.