CPU Running very loud

[randomness]

My comp specs are:

Pentium D 830 3.0GHZ,
ASROCK 775TWINS-HDTV R 2.0
geforce 7600GT
2 x 512MB CORSAIR DDR2

The Ambient temperature is around 22C and my CPU is running at 44C idle.

Why is the CPU Fan spinning at 3000RPM on such a low temperature??

IT sometimes gets upto 3800RPM when im gaming and that is only 55C.

There is absolutely NO dust in my PC, i jus bought a new case last week

Im planning to upgrade to a pentium dual core, are they any better than this pentium D performance wise? [the 1.8GHZ one i can always overclock it if necessary]

[Darthtanion]

When fans begin running loud, they are usually dying. Most heatsinks use a common size fan and you can simply replace it, but if you enjoy the automatic speed adjustment in relation to temperature feature, you will need to make sure you get a fan that allows for this.

And yes, the Core 2 Duo will smoke the hell out of your dated P4 processor. No amount of overclocking will bring it anywhere near the level of performance of this newer architecture.

[BURTON88]

If your willing to spend money on the dual core why not just go quad core. At least you wont have to be worried about your computer becoming out dated . And the great thing is that the Q6600 quad core is only 279 for cpu. Great price I was going to upgrade my self to an Amd phenom but iam hearing alright things about them.

COmp specs
Amd fx-62
2 8800gtxs
ocz gamer xtream 700 watt
power express 250 watt psu 5.25 bay size
2 gigs of corsair will have 4 waiting for my other fried sticks to get back from Corsai