Intel iMac Graphics Problem

[RICHARD MILLER]

Graphics displays random patterns; occasionally completely
freezing computer.
Need help.
Thanks.
Richard Miller

 

[jaguarskx]

Try going to Intel's site and download the graphic drivers. They could have become corrupted.

Also it is a good idea to check CPU temps. Not sure what programs are available on the Mac. I use Core Temp to monitor the CPU temps in my PCs and laptop.