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Old 01-08-2006, 12:42 PM   #1 (permalink)
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Default Bad CPU fan?

I have noticed my machine locking up a lot lately. So I checked the temps and it has been idling around 55C and sometimes gets up to 70C under load. Obviously this is MUCH TOO hot. So I opened the case and noticed the STOCK AMD FAN was running load. I put my finger against the it (the circular center part while it was running) and all of a suddent the fan's RPM kick WAY UP and my computer cools down to 43C idle. But then a few hours later I hear the fan RPM kick down (it's pretty loud) and the temp goes back to 60C.

I have an ASUS board but there is no QFAN installed (regulating fan RPM based on heat) so I am assuming this is a problem with my FAN. When the computer is running hot and I check the cpu fan rpm they vascillate from 2500 down to 0 every few seconds. So something must be wrong.

Do you guys think this is a busted stock AMD fan on my Athlon 2000+? I bought this thing retail about 3.5 years ago so I think it might be out of warranty.

I do not overclock at all and so I don't need anything other than a replacement fan that will fit on this stock AMD HS. Any suggestions?

EDIT: I can't help but think that there is some software control of FAN RPM. Right now (after touching the fan...which I think slows the rpm enough to make it kick up to 6000rpm) I am at 41C idle. This is doable if I could keep the fan at 6000 rpm. Is there any software out there that can do this? Or is there a setting somewhere? I am running on an ASUS A7N266.
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Old 01-08-2006, 02:00 PM   #2 (permalink)
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yes...bad fan...if it's spiking like that and you're not the one causing it...also since you touched it and it spun faster thats another clue that it is bad.....at those temps i wouldn't use the computer too much until you get an aftermarket HSF...they arent too expensive if you're not wanting to OC....and i really mean don't use the computer...70c on an Athlon 2000+ could kill your CPU
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Old 01-08-2006, 02:22 PM   #3 (permalink)
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So if this is a bad fan, then I need a replacement 60mm FAN. I think I can use the old Heat Sink.

I looked around on newegg for 60mm fans, but are these case fans ok to use on a heatsink for processor cooling? Or do is there a certain type of fan (rpm range) that I need to be focused on.
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Old 01-08-2006, 02:52 PM   #4 (permalink)
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you can most likely replace it with a regular 60mm fan....but 60mm is still small...i would recomend getting a heat sink that comes with it's own fan...instead of just replacing the fan it's self
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Old 01-08-2006, 03:06 PM   #5 (permalink)
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Quote:
Originally posted by H4x3r
you can most likely replace it with a regular 60mm fan....but 60mm is still small...i would recomend getting a heat sink that comes with it's own fan...instead of just replacing the fan it's self
I understand there are probably much better HS out there, but why for my purposes would I need a new heat sink as well?

ALSO, does anyone have any ideas on where to get a 60mm online w/free shipping. Everywhere I check has shipping that is more expensive than the fan.

Perhaps frys might have something? Thanks.
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Old 01-08-2006, 09:48 PM   #6 (permalink)
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Bump anyone?
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Old 01-09-2006, 03:01 AM   #7 (permalink)
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http://www.newegg.com/Product/Produc...ubmit=Property
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