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I have a 2006(?) iMac, Intel 2-Core Duo, Model Identifier is 'iMac5,1'
As far as I can tell the fan isn't running. I can't feel any air coming out the bottom, nor is there any sound that would indicate a fan running on the inside. It will frequently freeze up if I do something that requires complicated graphics, such as a video game. A hardware monitor program indicates that the GPU is heating up from about 50 degrees to 70 degrees in about 15 minutes of playing a game with 3d graphics (even though when the graphics are set on low quality).
Also, two different fan control applications (including smcFanControl) claim that the fans are running at about 800 RPM, but I don't think they are running at all.
Anyone know what might be wrong? Many thanks in advance.
As far as I can tell the fan isn't running. I can't feel any air coming out the bottom, nor is there any sound that would indicate a fan running on the inside. It will frequently freeze up if I do something that requires complicated graphics, such as a video game. A hardware monitor program indicates that the GPU is heating up from about 50 degrees to 70 degrees in about 15 minutes of playing a game with 3d graphics (even though when the graphics are set on low quality).
Also, two different fan control applications (including smcFanControl) claim that the fans are running at about 800 RPM, but I don't think they are running at all.
Anyone know what might be wrong? Many thanks in advance.