ASUS B150M-K motherboard repair guide, a 1.59 MB RAR archive. This is the standard B150M-K; a separate D3 guide covers the DDR3 version, so confirm which variant is on the bench. Expect material on power sequencing, rail measurements and checkpoints for no-power or no-POST symptoms. Check the revision printed on the PCB before relying on part locations. Open it with WinRAR or 7-Zip; the name does not reveal whether the content is PDF or images.
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)