hi, i have a hp a6600f,w/ egforce 8600t video card, 2 gigs of ram (2 slots),e2200 processor, my problem- computer was running great,then it froze,i restarted, the only thing that happened was a series of all long beeps (aprox 15-20 seconds) continuous, monitor not even reconized,..here's what i tried-switched ram chips between slots, tried only one ram chip, removed video card and tried the intergrated one, all fans are working fine (cpu,video card,power etc) and not making any noise, still only getting the series of just long beeps..please help what else can i try or test ??