Boardview file in BDV format, roughly 834 KB, for a mainboard identified only as LX67-MB-F; the name does not state the laptop brand or model, and the meaning of the F suffix is not given. BDV boardviews open in tools such as FlexBV and some Boardviewer builds, showing part locations, pin numbers and net connections. Use it to trace power rails, find test points and isolate shorted components, and compare the board marking on your PCB with LX67-MB-F before trusting the layout.
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 @pepeelectronica. Enginerys does not host this file.
How to open a .bdv file
Text-based boardview produced by Honhan / Hon Hai test tooling, with lightly obfuscated content.