Boardview for the Compal motherboard LA-L655P, a 327 KB RAR, the name using BV for boardview. No laptop brand or revision is given. After extraction it opens in boardview tools such as OpenBoardView or FlexBV, where you can search nets, highlight pins and find test points while hunting a short or checking a rail. It complements the LA-L655P schematic for component-level repair. Make sure the LA-number and revision on the PCB match before trusting part locations.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.