Edit: Same thing on other psu , strange thing , when i put a finger to the back of the card it heats up soo fast and then it shuts down itself . How i fix that.?
When i start the pc it works ~ 2 minutes and then the monitor black out and tell me "no signal". What could it be?
Specs:
Amd athlon 64x2 4200+
His Radeon hd 4650 1gb
Msi k9n neo v3
Psu 500w noname 12v 21A