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Changing the System Fan on Optiplex 755

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Latest post 09/02/2008 07:39 PM by fireberd. 1 replies.
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Joined on 09/02/2008
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Changing the System Fan on Optiplex 755

02 Sep 2008 07:39PM

I just got an Optiplex 755, in an effort to make it more personalized to my taste, i would like to change the system fan out with a Blue LED one.

 

I figured this would be a simple project until i noticed that it has a proprietary plug on the motherboard.  Where can i get a new fan that will be compatible with this plug?

 

It has 4 wires coming off of it, when most aftermarket fans only have 3.

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Inverness, FL
Joined on 05/29/2002
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Re: Changing the System Fan on Optiplex 755

02 Sep 2008 11:31PM
Dell OEM fans, such as the CPU cooling fan, have additional internal components that "report" to the BIOS.  If you use a non-Dell fan on most systems you will always get a "Fan Failure" notice at boot up.

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