the pics all look fine to me, must be something wrong with your monitor or video card.
What we need to know:
Hi, thanks for the response. Ya it's weird, when I take a screenshot or record my screen, the pixelation doesn't record as well...
This is my case: http://www.ncix.com/products/?sku=21123&vpn=NINE%20HUNDRED&manufacture=Antec
Here is a screen of Hardware Monitor: http://www.bplogan.com/hwmonitor.jpg