RAR file of 827 KB for the Quanta W0A design at revision 1A. No laptop brand, model or full board number is given in the name, so verify the target after opening the archive. Quanta project packs generally include a schematic and occasionally boardview data, which are useful for checking power sequencing, measuring rails and locating shorted parts. Compare the W0A code and the revision printed on your motherboard before working from these documents.
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 @IT_SERVICE_WORLD. 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)