ZIP archive for a Lenovo laptop on Compal board LA-5082P revision 2, with no model or content type given in the name. Its size suggests it may hold schematics, boardview or firmware, so open it and identify each file before use. LA-xxxxP numbers follow Compal's scheme, and Compal built many Lenovo boards. Depending on contents, the material can support tracing rails, locating components or reflashing an SPI chip. Confirm the revision on your PCB and back up any chip before writing firmware.
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 @azvoltagemap. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.