Im new here so sorry if this is a stupid question. My cpu cooling fan is making a ton of noise...enough to wake me up at night. So I bought a new one. Its a Pentium 4 and I got a 478 socket fan. Is that the right kind to get? Also, should I install this myself? I've installed a new power supply and various PCI cards on my own...but this seems a little harder and riskier.....thanks for your help.