Service archive for the Lenovo G500 and G400 laptops, which share the Compal LA-9632P motherboard according to the name. The 1.66 MB RAR most likely holds the schematic, which is opened with a PDF reader once extracted. Compal is the ODM behind LA-numbered boards, and the number with its revision is silkscreened on the PCB. With the matching document a technician can follow the power sequence, measure each rail against the expected value and track down a shorted component or a missing signal.
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 @alischematics. 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.