Recently I bought some computer parts

Gigabyte GA-M55SLI-S4 MotherBoard
e-GeForce 7900 GS Graphic Cards (2)

Anyway, the motherboard doesn't have a video output. So I connect my DVI cable into my monitor and I boot up the machine. The machine starts up and gives me 1 short beep. When I check my monitor, it just shows no signal. What should I do, I know the parts are old and what not but they work. Also I'm using a hard drive I have from another computer, it's running windows 7 64-bit.

Thanks for any help.

says 2 Graphic Cards ,do you have both installed ,if yes ,did you try it with just 1

I have both cards installed in the correct spots and I have the cards connected to each other with a crossfire bridge. I did try one card and it was giving me the same issue.

For whatever reason, I tried booting up the pc and it worked. O.o That was rather annoying if you ask me, thanks for your help anyway.

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