Cooler Master Centurion 590 Black

[chell99]

hi,my son recently had a computer built with all these parts:but its really noisy when its turned on,,the noise is very loud,where is is coming from?..why is it noisy?.can anyone help?

320 GB SATA HDD UDMA 300 7200 8MB - FREE UPGRADE TO 360 GB
Cooler Master Centurion 590 Black
Corsair XMS2 4GB DDR2 PC-6400 800 MHZ (2 x 2 GB 800) - Lifetime Warranty
NVIDIA GeForce 9600GT - 512 MB - 2xDVI/VGA (ASUS)
ASUS DVD±RW 20x DRW-2014L1T Black - LIGHTSCRIBE (SATA)
Intel Core 2 Quad Q6600 (4 x 2.40 GHZ) G0 1066FSB - 8 MB
ASUS P5N-E SLI S/L 1066FSB (NVIDIA 650i)
Speeze QuadroFlow VIII - Low Noise
Cooler Master eXtreme Power 650W - Low Noise