I just put together a new PC.  Everything is new.
Upon testing it out, the monitor wouldn't RECEIVE a signal.
It dawned on me that the HDD did not have the drivers for the video card.
There is no onboard video for my motherboard, so I can't use that.
How do I get my monitor to connect?If you have a video card installed & upon booting the SYSTEM you should get a signal....because Windows will load generic driver.Well now I notice the motherboard isn't recognizing anything.
Could it be defective?What do you mean by "the motherboard isn't recognizing anything"?The keyboard won't light up.
The motherboard won't beep when I hold down a key.
My mouse isn't lighting up.
Monitor gives "no signal detected" error.
Everything is hooked up as directed.Did you try to remove battery for a few minutes?Lets go back: Start off by dis connecting { pull power from all the drives ,your hd and optical remove any add in cards just leaving the video card installed , also dis connect any printer, scanner ect. Reboot & see if system postsI haven't tried the battery. I'm guessing it's the large shiny CIRCLE. 
I'll try it and post back.Read you board booklet [ how to clear CMOS] it will do the same thing as removing the battery & is safer [due to damage]Well I tried everything suggested and nothing happened.
Same error over and over.
It doesn't even make any noise.
The only thing the motherboard does is light up the LEDs on it.hmm, does the motherboard happen to have diagnostic LEDs? my dell has the lights coming from the computers rear; SMALL LED lights labelled 1 through four. I've heard older computer have then right on the motherboard, and some have them right on the front panel.Those were the LEDs. They're all lit up. Quote from: RepeaterV on December 06, 2008, 08:45:24 PM

Those were the LEDs. They're all lit up.