Hi everyone,I've bought a 7970 DCII and until some weeks ago, everything was going fine. But once, when I turned on my computer, my screen was covered with "colorful squares". They were approximately everywhere on the screen. Here you a portion of my...

Hi everyone,As I'm new to the world of overclocking, I'd like to have some advices. Are there "good" values to choose concerning GPU Clock and Memory Clock?The default values for my card are 5500 MHz / 925 MHz , which gives a ratio of ~5.95. Should I...