Generic RAR archive of roughly 49.8 MB whose name gives almost no useful information; the only hint is the word portatil, Spanish for laptop, suggesting notebook-related repair material. No model, brand, board number or file type can be confirmed from the name alone. Extract it and inspect the contents before use, since such bundles may hold schematics, boardviews or BIOS dumps for several machines. Match any document or firmware to the board number printed on the PCB before relying on it for diagnosis or reflashing.
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 @esquemaseletricos. 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.