Question AOC 144HZ monitor not displaying 144

[Braddersc]

My monitor is a 144hz monitor and it is set to 144 in nvidia display settings, however according to UFO test it only shows between 72 and 78, does anyone know why this is. i have closed all other apps

 

[DSzymborski]

What is the exact model number and how is it connected to the PC?

 

[Glenwing]

UFO test is not 100% reliable.