Causes of OSD LOCK
1. The monitor is incompartible with the system unit, especially for newer version units versus older monitors
2.Older monitors display attempting to much up to the improved definition functions of newer system units display an operating system malfunction, interpreted as monitor malfunction instead. OPERATING SYSTEM DISPLAY MALFUNCTION
hardware checks
1. consider changing the graphic card on the system unit after attempting to adjust the appearance settings on the desktop once the computer is powered on.
2.Once changing the graphics card on an old system unit, consider changing the processing chip for reasons of achieving peak performance of the new part installed.
3. Once the fxing of the parts are complete, the monitor would continue to display OSD requiring entire system restart or book. after which, adjusting the appearance setting that should by which time display new list capacities due to the new device changes
LED BLINKS
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