An archive of repair files for Dell hardware (board LA-9932P). Shared as “Dell Latitude E6440 Compal LA-9932P VAL91 R10 (1).zip” — a .zip file, 325 KB.
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 .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip