this sounds like a ram issue to me but u need to give us more info about computers.
Thanks For Helping me.
My power supply is ATX Vantec van 500N - 500 watt. I run Window Vista 32bit/starter, Gigabyte Geforce 9400 512mb vga,Asus dvd rw,320Gb hdd, I already choose the Voltage off my RAM at Bios ( 1.80v,1.85v,1.90v,1.95v ). I have Change new RAM twice, change the Socket of RAM but the BLUE SCREEN still apear.
what should I do?