BIOS archive for the K55VD model at board revision 3.0, 3.43 MB, reported as working. The name gives no brand, only the model and revision. Extract the archive and check the image size against the SPI flash chip on the board, since a mismatched image will not fit. Use an external programmer to reflash a board with corrupted firmware, but read and keep the original dump first. Confirm the revision printed on the PCB is 3.0 before writing.
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 @schematiclaptopramkushwaha. 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 →