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I just hooked up an old Dell Dimension 4550 to use as a Windows Server 2003. The fan is not blowing. Is it the heat sink that I replace. Thanks John Spooner

Answers :

No the heat sink is passive that means it has no fan. The fan is cooected to the chassis at the back and a Green plastic cover guides the airflow from the fan over the heatsink. Simply check that the power cable to the fan is connected to the motherboard pins - hope this helps. Ops also make sure that the fan spins freely with your finger and is unobstructed. I f the fan has gone thet are quite cheap on ebay.
With most Dell's it would just be the fan, they use mostly passive cooling and have a separate fan blowing on the heatsink. 9/10 it is the fan
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