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Well, I'll go ahead and ask. What's the link to contact apple? I've been all over there support site and all I can find is links to contact them about iTunes purchases and the like.
 
Well, I'll go ahead and ask. What's the link to contact apple? I've been all over there support site and all I can find is links to contact them about iTunes purchases and the like.

Start from here. That should list your options.

I just heard in another thread yesterday that Apple does not do pick up repairs for iMacs in the states. You may need to bring it to an Apple Store a nearby authorized repair site.

As for describing what is happening tell them that your iMac is occasionally experiencing massive video artifacting.
 
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