ZIP archive named only by the Compal board number LA-5751P, with no laptop model, revision or contents stated. Compal numbers its motherboard designs with the LA-xxxxP pattern and builds boards for brands such as Acer, Dell, HP, Lenovo and Toshiba. At 1.75 MB the archive may hold a schematic, boardview or firmware dump, so extract it and check. Match the number printed on your PCB, including revision, before using any file to trace circuits or flash a chip.
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 @BiosSchematicBoardviewNoLimit. Enginerys does not host this file.
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Built-in OS tools7-Zip