ZIP archive of 2.71 MB for the Quanta R62C project, likely a variant of the R62 platform. The name does not list the contents, which may include a schematic, boardview or BIOS. Quanta project codes like this usually appear in the DA0 board number printed on the PCB, which is the reference to check. With matching documents you can follow power rails, read the power sequencing and locate faulty parts, and if firmware is included, back up the existing chip first.
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 @schematiclaptopramkushwaha. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip