Monitor no signal?

[Bunnn]

I just plugged my monitor to another computer and i can't turn the monitor on...
checked video card and plugged it tight but when i turn the monitor on it just turns black again wuts wrong?

 

[amdskip]

Probably the computer is at fault. It works with your computer right?

Reseat the memory and video card.

 

[tjaisv]

try another monitor and see what happens

 

[Bunnn]

yea works with my computer i double checked the video card and ram already too...

 

[Bunnn]

i tried another monitor and it does not work either
could it be my PSU?? all the fans are working and the CD rom pops out and everything when i open it
but i don't hear the hard drive spin and i don't hear the post beeps
i've tried 2 monitors that i plug in has no signal input...
i've tried 2 different video card on the system as well....
also tried taking the ram out and re plugged all parts...

 

[Fardringle]

Since you've already swapped just about everything else, try a different power supply.

 

[hjo3]

I vote for FUBAR'd mobo.

 

[Bunnn]

but my cd roms and all fans spin and the lights show up and everything
is it possible that the PSU is still causing the system to malfunction?