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dlane
Sep 3, 2010, 09:14 PM
Hey wats up guys. I just joined the forum. I've got a 2.5 dual core G5, and my fan is always running, and its loud. I still get normal functionality while moving about on the system, but my fan always running is annoying cause its loud. It comes n goes like gets loud, quiets down builds back up, and its constant. Is that normal or do I need a fan?



raysfan81
Sep 4, 2010, 10:53 AM
Hey wats up guys. I just joined the forum. I've got a 2.5 dual core G5, and my fan is always running, and its loud. I still get normal functionality while moving about on the system, but my fan always running is annoying cause its loud. It comes n goes like gets loud, quiets down builds back up, and its constant. Is that normal or do I need a fan?

Is it a dual processor G5 or a G5 quad?

Giuly
Sep 4, 2010, 01:05 PM
Clean the CPUs heatsink with canned air and replace the old fans (http://www.ifixit.com/Device/Power_Mac_G5) with silent ones (http://www.newegg.com/Store/SubCategory.aspx?SubCategory=573&name=Case-Fans). Over time, fans get out of balance due to dust and age, causing them to get noisy.

But at first start with reseting the PMU (http://support.apple.com/kb/HT1436).

green86
Sep 4, 2010, 03:32 PM
Hey wats up guys. I just joined the forum. I've got a 2.5 dual core G5, and my fan is always running, and its loud. I still get normal functionality while moving about on the system, but my fan always running is annoying cause its loud. It comes n goes like gets loud, quiets down builds back up, and its constant. Is that normal or do I need a fan?

What OS are you running? Also, try setting the processor performance on "highest" in the Energy Saver preference pane.

max••
Sep 4, 2010, 04:16 PM
it is normal, my g5 dual 2.5 dose that and always has done