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CPU Fan Error


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#1 TSquared

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Posted 30 July 2009 - 11:37 PM

Hi, I just replaced my CPU Fan in my Compaq Presario desktop with an 80mm Antec case fan, it runs just fine but when I boot my computer I get this error message: "CPU Fan failed. Press F2 to continue booting, otherwise, system will shut down in 5 seconds."

Obviously I can just boot by pressing F2, but is there any way to get rid of this message?


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#2 fairjoeblue

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Posted 31 July 2009 - 12:30 AM

If the original fan had a 4 pin connector & the one you used has a 3 pin connector that will cause a error message,
If the original fan had a 3 pin connector the fan you used is causing an error message because it needs to spin at the exact same speed as the original.
In any case you should be able to go in the BIOS & find a setting to disable the fan warning.
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#3 TSquared

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Posted 31 July 2009 - 01:02 AM

Alright, thanks. Just another quick question, should a cpu fan blow onto the heatsink or draw hot air away from the heatsink? Right now I have it blowing fresh air brought it from the back fan onto the heatsink and cpu.

#4 fairjoeblue

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Posted 31 July 2009 - 10:57 AM

the in/out is generally a matter of preference.
I like the air blowing in on the heatsink.
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