A schematic diagram for Lenovo hardware (board NM-D474, NM-D471, NM-D472). Shared as “LENOVO V14 G2 ITL NM-D474.zip” — a .zip file, 7.07 MB.
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 @Laptopbiossolutions. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.