i was working on my pc playing lots of high graphiced games the night before i know in the control panel its got to like 60 centigrade so i turned my pc off i woke up in the morning switched my pc on all the fans start up green power light and orange light comes on disc drives open and stuff hear the hard drive start up and its all sounds like normal but no picture came up on my screen jsut stayed in standbye i tried the monitor on a diff pc with the same lead it worked so help me my pc specs are : asus sk8n motherboard,512mb ram,256mb ati radeon x800 pro,amd athlon fx 53 2.40ghz,latest bios i instaled that ram about a week ago its was 256mb ram before pc world instaled it did my graphics card die or something. i have gone inside the case checked all the wires are connected and everything starts up, the fan on my graphics card now does not start up
please help me define the problem