BIOS firmware for Dell Inspiron 3442, 3542 and 5748 laptops, gathered in a 4.51 MB RAR archive. The name lists the models but no version or board number, so examine the contents to see which images are included and which model each suits. Technicians use such files to reprogram the SPI flash on boards with no display, boot loops or a failed update. Always read and keep the existing chip contents before writing, and make sure the image size matches the chip, otherwise it will not fit or boot.
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 →