Archive for the Lenovo C510 referencing Compal board number LA-3861P, written without the hyphen in the name, at 2.06 MB. Compal identifies its mainboards with LA-xxxxP numbers printed on the PCB, so match that marking and the revision before trusting the content. The archive is likely to hold schematic pages for diagnosing power faults, tracing rails and signals and locating components and test points. Extract it with any RAR utility and check the title block of the documents to confirm the board revision.
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 @generalschematics. 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.