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Question about a weird laptop fan noise I heard in a repair last Friday
I was fixing a Dell Inspiron for a client in Austin and the fan made this high pitched whine, like a tiny whistle. It only happened when the CPU hit 60 degrees, not before. I cleaned the heatsink and replaced the thermal paste but the sound came back after 20 minutes. The fan itself spins fine, no wobble. Has anyone else run into a fan that whines only at certain temps? I'm thinking maybe the bearing is going but I want to be sure before I order a new one.
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lisab4323d ago
That specific whistle at a certain temp is such a weird one. I've seen fans with a bad bearing make noise at all speeds, but that temp trigger makes me wonder about the fan's control circuit. Could it be the motor straining at that exact voltage step?
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