This happens when you reset your NVIDIA Control Panel settings to default. In this case, you can change the display mode again to fix the issue.

NVIDIA Control Panel Custom Resolution is greyed out or not showing up 1] Update your NVIDIA display driver If you experience the NVIDIA custom resolution not supported by your display issue, the ...

Corsair has launched a new addition to its XENEON lineup, this time aimed at PC enthusiasts who want more screen real estate ...