RAR archive named lcd fw, roughly 12.9 MB, probably holding firmware for a display panel or monitor controller. The name gives no brand, model or chip, so you need to check the contents before you can tell what device they suit. Extract it and compare any chip markings or model numbers with your hardware. Display and scaler firmware is usually written with a programmer or a service tool. Writing an image meant for a different panel or controller can leave the screen dead, so back up the existing firmware first.
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 @biosarchive. 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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →