I just picked up a beautiful 20" monitor last night for $200 used. The problem is that when I was moving it, I somhow managed to scratch the anti-glare coating on the screen a little bit. It's a very ...

Is part of your computer monitor’s screen not refreshing properly? It’s showing old content, and no matter how many times you refresh the screen, it remains the same. If a part of the screen freezes, ...