cpu fan replacement

  civicr 11:22 26 Oct 12
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Answered

I have just replaced the standard fan on my cpu for a bigger one and now on start up I get a cpu fan error press f1 to resume , why when it is running ok. The only thing I have noticed is that the power plug on the new one is a 3 pin as the old one was a 4 pin . Are there different power pins on the mainboard to plug into.

  Fruit Bat /\0/\ 11:34 26 Oct 12

4 pin to allow for speed control

1 grd black

2 yellow 12v

3 green sensor

4 blue control

What colour cables does yours have?

  Fruit Bat /\0/\ 11:37 26 Oct 12
Answer

Forgot to ask what sort of cpu as AMD is different

1 grd black

2 red 12v

3 yellow sensor

4 blue control

  civicr 11:43 26 Oct 12

Amd II quad core

  Fruit Bat /\0/\ 12:32 26 Oct 12

Ok so is the yellow sensor cable fitted?

You may have to co into the BIOS to disable fan speed sensing / control

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