Repair guide archive covering the ASUS H170M-PLUS motherboard, roughly 1.27 MB in RAR format. It is meant for bench diagnosis: following the board's power rails in sequence, finding where startup stalls, and locating parts that commonly fail. No revision is mentioned in the name, so check the version printed on the PCB and compare it with any revision noted inside the documents. Extract with a standard archiver; the inner file types are not listed.
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 @ZINFOSERVICECHANNEL1. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)