If you are looking for the schematic to fix a "no power" issue, keep in mind: Check Power Rails:

: If you can't find a full schematic, look for a Boardview file (.BRD or .BDV). These interactive files help you trace physical pins on the board and are often easier to find for newer versions.

Finding a free schematic for the BM5291 Ver 1.3 motherboard usually requires looking through specialized laptop repair databases and community forums. While direct, one-click "free" downloads from official manufacturers are rare, technicians often share these files on dedicated schematic repositories. Where to Search for the Schematic