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Cpu Fan Failure


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4 replies to this topic

#1 chris6690

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Posted 15 February 2008 - 07:08 PM

Ok, for some time now i have been having an issue where my CPU fan speed drops below the 800 rpm min during startup. usually it is not a problem because it goes up, however, it NEVER get above 1200rpm. it usually idles around 1000. its never really been an issue as i dont have overheating issues but to be safe i want to increase the speed manually or something. i have already tried accessing the settings menu upon startup but I don't see a way to change it. i tried searching the forums but "cpu fan" dosnt make the stupid 4 character minimum search. please help!

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#2 usasma

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Posted 15 February 2008 - 07:30 PM

We'll need to know the make and model of your system to give you some more specific info.

This free program "may" enable you to adjust the fan speeds (but only if the speeds are adjustable through the fan's controller chip. http://www.almico.com/speedfan.php
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#3 chris6690

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Posted 16 February 2008 - 11:03 AM

i am running an AMD Athlon 64 x2 dual core3800+ in a ASUS A8n-sli premium MB. 2 g's sdram. windows xp sp2. idk what else you will need.

#4 Sneakycyber

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Posted 16 February 2008 - 11:47 AM

This is not a failure as your title suggest. The Fan is slowing down and speeding up because of a technology called Cool 'N' Quiet this throttles the processing power to match the system needs to save on power. To disable this feature go into your control panel and under power options select home/office if this feature is already selected or this does not work you can try disabling it in your bios menu. You can monitor the operation of this feature by downloading AMD power monitor. Check your owners manual for information on disabling this feature. I am trying to download the manual.

Edit: Received the Manual. The option is under the Advanced menu under AMD K8 cool 'N' Quiet. You want to change it from AUTO to disable. Page 90 of the PDF user manual found here.

Edited by Sneakycyber, 16 February 2008 - 12:08 PM.

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#5 Platypus

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Posted 17 February 2008 - 06:49 AM

It could also be worth checking if there is a BIOS update to address this issue - my ASUS N4L-VM DH initially had a habit of dropping the CPU fan idle speed below the minimum and causing shutdowns. A BIOS update solved the problem.

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