Boardview for a Clevo laptop motherboard numbered 6-71-NL4L0, revision D02, packed in a RAR archive of about 4 MB. Clevo marks its mainboard assemblies with the 6-71 prefix, so the number printed on the PCB identifies the right file. The boardview lets you locate components, follow nets and probe test points while diagnosing shorts or missing rails. Extract it and open it in a boardview viewer such as OpenBoardView or FlexBV, then confirm that the revision on the board is D02.
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 @BoardSchematic. 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.