hi, i builtmy pc in june but a few weeks ago the chipset fan broke. today i replaced it, and whn i boot i cansee my desktop, but whle my programs where loading it freezes. this has not happened ever bfore. i am running a asus a8n sli deluxe w/ amd64 3000+. 1g kingston valueram. 6800gt. i hav a suspicion it is stylexp loding but idk.