Question Duplicate monitor caps fps at 30

[YetiBearMan]

I have 2 4k displays, 1 monitor 1 TV and I used to be able to duplicate screens and get 60fps on both. For some reason now if I select to duplicate displays my monitor turns off and then turns back on but its set on 30hz. Has anyone had this issue and does anyone know how to fix?

 

[Fix_that_Glitch]

Did you change the text size in windows? I would try a new cable on the monitor.

 

[YetiBearMan]

Did you change the text size in windows? I would try a new cable on the monitor.

I don't remember changing the size but will check and both are recently new cables that used to work