Linux mint login display probelm

Hello

Im having a little trouble with linux mint.

When i first installed mint, for some reason it was autocratically setting my main 1440p display to 1080p 30hz for some reason. This caused a weird vibrating wiggling effect on my screen. Although this problem was not apparent on the 1080p display to my right.

I was easily able to solve this problem my going to display settings and changing the main screen resolution from 1080p to 1440p. Fixed.

Anyway, although this problem may be fixed (after logging in), it is still persistent when im at the login screen.

How would i go about fixing this?

 

Thanks

Is it spitting any errors up? and what hardware do you have, seems an issue with X at the login server