RAR archive for the HP EliteBook 840 G3 on Inventec board 6050A2892401-MB-A01, marked as the touch-screen variant, 7.26 MB. The 6050A prefix belongs to Inventec numbering, and A01 marks the revision. Contents are not stated, so check whether it holds a schematic, boardview or BIOS image. For firmware, back up the chip before programming. For diagrams, confirm the number on the PCB, since non-touch 840 G3 boards use different numbers.
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 @SCHEMATICWORLD. 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)