About two weeks ago, I had a sudden drop in gaming performance on my 27" iMac with ATI Radeon HD 5750 graphics. While before I could play games without any problems at high graphical settings, ...
So here is the situation... I came home from work one day and my iMac would not turn on, no chime, no fans, nothing. It had stormed earlier that day so I was wondering if something tragic happened. ...
I'm using Lion on my iMac, and when I work with big Photoshop files (web design, not photos), I see sometimes slideshow when I move group objects. I think that this is a bug with the video drivers. ...
I have a 27" iMac, Mid 2011 (3.4Ghz i7, AMD Radeon HD 6970M 2GB) and I am experiencing the following intermittent issues, which are solved each time by a restart: When watching video with either ...
There are other questions on here that are similar, but I believe they relate to older models. If this is a dupe please close it though - I just want to find out if this can be done. I bought a 27 ...
I noticed that the new iMacs graphics cards are AMD Radeon HD 6970M. Why do the new iMacs have mobile video cards? What are the implications of those cards? Are those cards as powerful as dedicated ...