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 G5 iMac 17inch iSight Fan Noise During Hardware 
 
 
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Old 12-02-2006, 12:39 AM
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Group: Regulars
Location: Wollongong
Hi Guys and Girls I am Just Woundering if this is normal For this to Happen during a hardware Test the Fans of the G5 Get very loud.
Kind Regards
The_Fallen_One
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Old 12-02-2006, 12:44 AM
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Group: Regulars
Location: Sydney
Yes I believe it is normal. The fan control software is not loaded during hardware test, so the fans default to going very fast to be on the safe side.
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Old 12-02-2006, 09:11 AM
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Group: Regulars
Location: Melbourne
The fans will run flat out (or pretty much)

1. In open firmware
2. In apple hardware test, or apple service diagnostic
3. In target disk mode
4. If the temp sensor fails
5. If your machine crashes
6. If your machine is working flat out, especially on a hot day.
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