Firmware package for the HP Compaq CQ42-401TU laptop. The name gives the model and configuration code but no board number, so check the PCB markings to confirm the motherboard matches. The 865 KB zip suggests a compact BIOS image, possibly paired with a small flash chip. Technicians write such dumps with an SPI programmer to repair a no-POST fault caused by corrupt firmware. Back up the original chip before you erase it, and make sure the image size equals 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 @bios_laptop. Enginerys does not host this file.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @bios_laptop | 15 Jun 2022 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 27 May 2023 | Open file on RM Schematics |
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →