Firmware dump for the LG 22MK400H monitor, stated as a 1MB image, packed in RAR. Monitor dumps like this are usually read from the small SPI flash on the main board and help fix units with no picture, boot loops or a stuck logo after corrupted firmware. Write it with a programmer such as a CH341A, checking that the flash chip is 1MB (8Mbit). Save the original contents first and confirm the monitor model and board match, as panels and board versions can differ within a model.
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 →