Boardview for the 0P1B-MB mainboard, archived in a small 134 KB RAR. The name gives no manufacturer or laptop model, so confirm that 0P1B appears on your PCB before relying on the layout. A boardview shows component locations and net connections, letting you find a part by reference, see which pins share a net and pick test points for measuring rails or hunting a short. Use OpenBoardView, FlexBV or a comparable viewer, preferably together with the matching 0P1B schematic.
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 @LaptopsBoardview. 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.