MSI MS-7510 schematic, version 2.2 per the file name, stored as a 2.09 MB PDF. Under the MS-7xxx scheme this is an MSI desktop mainboard, and 2.2 indicates the PCB revision the drawings were made for. Use the document to trace power from the ATX connector through each regulator, check sequencing signals and identify parts near a burnt or shorted area. It opens in any PDF reader with text search for net names. Before replacing components, confirm the board silkscreen shows the same 2.2 revision.
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 @pepeelectronica. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.