I also have a HD7770 - I have 3 monitors working - but the 3rd one will only run @ 480x640, I want it to run at 1200x1600.
Can anyone help?
I have the following set-up:
1: 30" HP @ 2560x1600 : DVI --> DVI
2: 20" HP @ 1200x1600: DVI --> DVI
3: 20" HP @ 480x640 : Displayport (active adpater)-->...