Schematic for LCFC motherboard NM-D361, revision 0.3, used in Lenovo laptops; the exact model is not stated in the name. It is supplied as a 2.11 MB RAR, normally holding a PDF, opened with any viewer. NM-xxxx is LCFC's board-numbering format, and early revisions such as 0.3 can differ from production boards, so compare component placement and the revision on the PCB. Use it to trace rails from the charger to CPU supplies, read expected voltages and find parts on a shorted net.
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 @cyberlanelectonik. 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.