ASUS X551CA laptop board file set, revision 2.2, compressed into a 115 KB ZIP. The name does not state the contents, and the small size suggests a boardview layout rather than a full schematic. Viewers like OpenBoardView or FlexBV display the component placement, net names and pin connections for both PCB sides. Check the rev 2.2 marking on the board before relying on part positions, since other revisions of the same model may differ. It is useful for finding test points, following rails and isolating shorts.
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 @ITHINKHS. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.