I have a MacBook Air 13" Late 2010 2.13GHz, and my fans are extremely loud, sometimes on little CPU usage. SMC resets hardly work and I can't contact Apple without paying the £35.00 for one off support, let alone how much it is for repairs. But lately it's been getting worse, today I started my Mac up and the moment it got to the login screen, the fans went CRAZY. My CPU usage was high at first but after logining in and closing things using Activity Monitor it went down. However the fans still kept going crazy. I had to put my Mac to sleep, and even then the fans kept going for a while. It happens in OS X Mavericks 10.9.4 and OS X Yosemite Developer Preview 5. I don't think a restore will help because it happens on both OS's. I have tried App Tamer as well. My MacBook Air is well ventilated, and I was thinking all Fans are like that on MBA's? Or it's a Late 2010 issue?
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