27th September 2007, 08:25 AM
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Super
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Join Date: Oct 2004
Location: Somewhere Slaying Vampires
Posts: 6,025
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Yep they do but that may not be the performance issue. Under load i think they still run at high speed no matter what the temp.
Definitely wouldnt advise using the mbp with dead fans. I've seen a mbp get upto 100º before with a dead fan.
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