Archive of 5.58 MB for Compal board LA-5681P, with the Vietnamese word chuyen in the name, meaning conversion, so it most likely covers converting graphics configuration. LA-numbered boards are made by Compal and used in many brand laptops. Contents probably include schematic extracts, part removal notes and a BIOS image. Match the LA number and revision printed on your PCB, and dump the existing SPI flash with a programmer before flashing anything.
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 @hrtechno. 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.
7-ZipWinRARThe Unarchiver (macOS)