Well, it looks like my 4 year old iMac's GPU is going out. I'm getting artifact pixilation that matches GPU failure videos and pictures I've seen on the Internet for iMacs. I've cracked open the iMac ...

DIY repair site iFixit has pulled apart the new 21.5″ iMac that Apple began shipping yesterday. While the exterior and much of the interior remains largely the same, a few differences have been ...