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Fan runs full speed after CPU upgrade

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Last response: in CPUs
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November 28, 2012 10:12:29 PM

Ok so I recently bought an Athlon 64 X2 5800+(the 89w version) for my dell Optiplex 740 Mini Tower. Today I installed it and I can start everything and boot up normally but the second I try to run even a regular program like mozilla or ccleaner is starts to speed up and sound like a freight train. It's starts up especially fast when you start up a game like mine craft.
So after trying to tighten the heat sink, reapplying thermal paste, and trying little tweaks it still runs like a jet engine.

At one point it even automatically shut down my computer.

So after getting frustrated with it I reinstalled my old Athlon 64 x2 4800+ and it runs perfectly fine, no problems with the fan.

According to speedfan, the temperatures are normal.

Is this a sensor problem, a driver problem? Do I need a newer heatsink? I'm just not sure what to do, so what better than to ask the Dell community.

Thanks in advance- Elijah




Other system specs
Radeon 6670 Graphics Card
4 gb ddr2 ram
a c 141 à CPUs
November 29, 2012 12:20:01 AM

You're trying to run an 89w processor with a cooler meant for a 65w processor?
I think you see what you need to do now...
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