hi this is my first post here i have an Emachine W5233 on board graphics ATI 975 duel core processors 3.00 ghz and 1024mb on borad ram windows vista home premium i play world of warcraft alot so i just recently got this computer and bought anew graphics card also an 8600 gt well i had it installed about 3 days and my computer started acting up when i went to power on the system only the fan would come on no light’s the monitor would say emachine’s NO SIGNAL i tried turning it on and off nothing finally my last attempt i turn’d it on and this time nothin no power what so ever and before i installed the card everything was working just fine i have reason to believe i dont have enough power supply im currently useing 300 watt should i up it to 500 wattage you guys are the experts lol…
