Boardview for the Wistron mainboard 19817-1, packed in a 326 KB RAR and stored as a GR format file. Wistron numbers its notebook boards with five digits and a dash suffix, and builds them for brands such as Dell, Acer and HP; the laptop model is not stated here. Open the GR file in OpenBoardView or FlexBV to trace power rails, locate components and test points, and investigate shorts. Confirm 19817-1 is printed on the PCB before relying on positions or net names.
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.
7-ZipWinRARThe Unarchiver (macOS)