HP Elitebook 820 G4

BIOS .rar 7.60 MB Shared

Firmware image for the HP EliteBook 820 G4, compressed into a 7.60 MB RAR archive. The name carries only the model, with no board number, BIOS version or ME status, so extract it and inspect the image before use. Such a dump is used to recover a laptop with damaged firmware by writing it straight to the SPI chip with a programmer and a clip or after desoldering. Save the original contents of the chip before erasing it, since serial and system data stored there can be lost, and confirm the image matches the chip capacity.

The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.

How to open a .rar file

Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →