HP ProBook 450 G3 BIOS archive in rar format, about 4.77 MB. Only the model is stated, with no board number, revision, version or lock status, so open the archive and identify the image before use. Technicians use such dumps to reflash the SPI BIOS chip with an external programmer when the laptop powers on without display or after a bad update. Check the motherboard code printed on the PCB, back up the original chip, and confirm the image size matches the flash part.
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 @biosfilebins. 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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →