Archive for the Lenovo IdeaPad Y460 laptop that names KL2D, a code in the style Quanta uses for its notebook motherboard projects. At 1.89 MB it most likely holds a schematic set, but the contents should be verified after unpacking the RAR. With a schematic for the correct board a technician can trace the standby and main power rails, check the charging circuit and work through a no-power or short fault step by step. Quanta boards carry the project code in a DA part number on the PCB, so confirm it matches.
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 @alischematics. 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.