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Apple Computing Products:
macOS - Desktop Hardware
G5 makes "fan power up" sounds every few minutes
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<blockquote data-quote="Avid6eek" data-source="post: 77733" data-attributes="member: 8503"><p>I just purchased my first Mac a few days ago and I experience the same thing on a regular basis. The PowerMac is by no means a quiet system. As far as I can tell there are 3 seperate thermal zones in my system. One for the Burner/HDs, One for he PCI/Graphics cards, and one for the Processors. If either one of these zones gets above a set temperature, the fans spin up. </p><p></p><p>The loudest spin up is the CPU zone. This happens randomly...I can be viewing a webpage, or opening an IM client. It is definetly related to CPU load, as it only happens when I'm doing something. Kinda sucks that it's happening now in the winter...my computer room is 65F. During the summer it gets as warm as 95F. </p><p></p><p>If this is something that just started happening, it is possible that something has changed. Are the fans at the back of the system blocked at all? How old is the system? it may be time to open it up and clean it out with a can of compressed air. Have the ambient temperatures changed recently?</p></blockquote><p></p>
[QUOTE="Avid6eek, post: 77733, member: 8503"] I just purchased my first Mac a few days ago and I experience the same thing on a regular basis. The PowerMac is by no means a quiet system. As far as I can tell there are 3 seperate thermal zones in my system. One for the Burner/HDs, One for he PCI/Graphics cards, and one for the Processors. If either one of these zones gets above a set temperature, the fans spin up. The loudest spin up is the CPU zone. This happens randomly...I can be viewing a webpage, or opening an IM client. It is definetly related to CPU load, as it only happens when I'm doing something. Kinda sucks that it's happening now in the winter...my computer room is 65F. During the summer it gets as warm as 95F. If this is something that just started happening, it is possible that something has changed. Are the fans at the back of the system blocked at all? How old is the system? it may be time to open it up and clean it out with a can of compressed air. Have the ambient temperatures changed recently? [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
G5 makes "fan power up" sounds every few minutes
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