hello. i have a bit of a prob. i had a power crash in my house and my pc died from it, i changed the power suplyer and fron that day my pc is working really slow. i dont know what part of my pc is not working like it sould. some one told me that there is some prog. that i can test my vidio card with it "3Dmark" and some prog. that i can test my memory with it but i dont know the name. so if some 1 can help me and give me a link were i can download thoes programs it will really help me. thanks.