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My brand new iMac overheats too
Authored by: lullabud on Jun 07, '11 09:38:56AM

In January I got a brand new iMac 27" (pre thunderbolt) iMac. It has been having serious heat problems, especially in windows, and I have seriously been thinking of how on earth to get it to run cool.

The worst problems I have are in Windows 7 when playing video games. I have to set smcFanControl to max out fans, then reboot to Windows or else the system will lock up. (Yeah yeah, I should have Apple look at it, but the only reason I got this new one is because they had my 24" iMac for a month across 3 different repairs! I don't want to go through that again.)



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My brand new iMac overheats too
Authored by: bluescreen on Jun 10, '11 03:46:59AM

On mine the most common (like three times a day nuisance) happened on the external desktop Sony Bravia (1080p) screen when running EyeTV and any web browser with flash video. If I tried to maximize (full screen) any Youtube like flash vid the system would freeze, lock up, get persistent HD video-line drawing or windowserver refresh errors and/or throw/log invalid address out of range errors.

In most cases the power switch was the only way out and the external thermometer always showed me 60ºC or more at the upper left air slot location. If you are getting 60 air that means the board has to be 70 and a few 10 more degrees above that, solder turns liquid.



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