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chscag

 
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Member Since: Jan 23, 2008
Location: Fort Worth, Texas
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, Yosemite

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Quote:
Originally Posted by PauliePower View Post
It was running last night when it did this. Strangely, it still works perfectly, and smcfancontrol isn't reporting anything out of the ordinary. It's a year-and-a-half old, and spends most of the time whilst I'm at home plugged into an LCD tv, but I always keep the lid open. The battery is still fine too. Anyone have any suggestions?
A filtering capacitor may have burned open either in the power supply or possibly elsewhere. Typically when this happens, it emits a good amount of smoke until the capacitor opens and no longer conducts.

Depending on where it's located in the PS circuitry, it may or may not impact on the operation of the machine. However, without knowing what caused that to happen (might just have been component failure) or if something else may have been damaged, I would take it on in to Apple and let them look at it. If the machine is still under warranty you probably won't be charged for the service.

Regards.
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