Working BIOS for the Dell Latitude E5530, on Compal board LA-7902P with the Dell code QXW10, supplied as a 5.80 MB RAR. The name marks it as a working dump, though it should still be verified on your own unit. LA-numbered boards come from Compal, a frequent Dell ODM. Technicians use such files to rewrite the SPI flash with a programmer after failed updates or corruption. Match the PCB number, compare chip sizes with the extracted images, and back up the original contents first to preserve the service tag.
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 @Laptopbiossolutions. 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 →