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CPU fan goes slower when playing Runescape


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#1
BARROS

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Hey,

I was on the Runescape site playing a quick game and my CPU fan speed lowered.

Any reasons why - is this a sign that my CPU fan is almost done?

Cheers :whistling:
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#2
WinCrazy

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Maybe, maybe not. Does your motherboard control the cpu's fan speed ?

Do you know what speed the fan is supposed to run at ?

Do you known what speed the fan is running at ? Try using Speedfan to find this out.

Is the fan and/or heatsink loaded up with dust and dirt ? That could slow it down.
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#3
BARROS

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I dont know if my motherboard controlls the speed, but it has been running at 3013 RPM ever since i got the machine.

Its also happens when I run SpyBot - Search and destroy :whistling:
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#4
WinCrazy

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What make and model of system or what motherboard model do you have ?
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#5
BARROS

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I think its this one (click the link)

http://www.ecs.com.t...nuID=93&LanID=8


Its not a problem, I just want to know why it does it :whistling:
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#6
WinCrazy

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Well, the splash page for the motherboard doesn't say anything about fan speed control, but I couldn't find the user manual download. If it had been running at 3300rpm I wouldn't be too concerned unless it fell below, say, 3000rpm.

One other possibility I just thought of is that perhaps the 12V supply voltage is fluctuating. Better keep an eye on that too with Speedfan. This could be a sign that the power supply is failing.
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#7
BARROS

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I think it may be the 12V rail - Look at this picture:

http://i4.tinypic.com/10f9ogm.jpg

reply ASAP
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