Properly locks the monitor to its native 1440 x 900 resolution and 60Hz/75Hz refresh rate.
The LG 20MP48A is a 20-inch Full HD monitor (1920×1080) commonly used with desktop PCs. To get optimal performance—correct resolution, refresh rate, color profile, and on-screen display features—you may need the proper drivers and display settings. lg 20mp48a driver
Instead of a driver, the most useful "guide" for this monitor involves installing to unlock advanced features. Official Software & Tools Properly locks the monitor to its native 1440
If you switch to a new monitor or face persistent issues, you may need to remove the driver. lg 20mp48a driver