No signal.....

DJ253

Distinguished
Jun 28, 2009
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I just recently built my own system (9600 gt OCX, phenom II 550, and ECS A780GM-M3 AM2+/AM3 mobo) everything was fine until a friend came over and was screwin around in BIOS. When we rebooted everything worked except the monitor read "no signal". Does any know whats the problem?

Thanks in Advance