Display / Window Refresh

[MeatballCB]

Not sure if this is a monitor or GPU issue to be honest, but I've noticed that I've been having problems with 'refresh' of windows and graphics on monitors, particularly when I move a window. Either the contents of the window won't update right away, or the window outline will leave trails of it's outline across the screen. It's definitely worse on the secondary monitor.

I'm using a Gigabyte GTX 770 GTX 4 GB GPU and a pair of Monoprice 27" Crystalpro 2560x1440 LED monitors.

Any thoughts?