Zip archive of 4.45 MB tied to board number 11061-1, a numbering pattern used by the ODM Wistron, which builds laptop and desktop boards for several major brands. The name gives no model, document type or revision, so open the archive to see whether it holds a schematic, boardview or BIOS image. Wistron schematics are typically read in a PDF viewer, while boardview files open in tools such as OpenBoardView or FlexBV. Confirm the number silkscreened on the PCB matches 11061-1 before tracing rails or flashing anything.
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 @laptopchiplevelrepair. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.