Working BIOS dump for the ASUS K551L and S551LN notebooks, board revision 2.1, packed in a 3.34 MB RAR. Such images are written to the SPI flash with a programmer when the laptop powers on without display or stays dead after a failed update. The archive size suggests a compressed image, so check that the extracted file matches the flash chip capacity. Back up the original chip before erasing, and confirm the mainboard shows revision 2.1 to avoid flashing mismatched firmware.
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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →