New Motherboard won't boot...

Okay, so my computer died a little while back. The BIOS would just freeze. So I decided to replace the old mobo.

I get the Asus P5GD2-X because it's compatible with my current CPU and memory. I plug everything in tonight and power it up, but nothing happens. The light on the mobo is on, the fans spin, the hard drives spin, but no display. I tried two different types of graphics cards, still no display.

I started to take out cards and ram one at a time, but after the third or so try, I just unplugged everything but the CPU. Still nothing! Not even a beep!!!!

It's been a while since I've built a system, but shouldn't the mobo at least give me some beep codes?? Did I get a bad board? HELP!?!?!?!
ned4spd8874Asked:
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nobusCommented:
is your 4-pin cpu power connected ? (yellow/black wires?
otherwise :
i suggest testing with the minimum setup - disconnect also all peripherals and network cables :
motherboard + cpu + 1 ram stick, video card, power supply
on boot, do you have a display?
if NO it is one of the connected, swap ram, Power supply, video card - leaving only motherboard and cpu  (probably bad mobo, DOA)
if Yes, add devices till the problem shows
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ned4spd8874Author Commented:
Thanks everyone for the replies.

It looks like the motherboard is bad. I have tried a different power supply and that didn't help. I don't have another cpu, but when I pulled it out and tried to boot, there were still no beeps or an audio message. that would occur according to asus.

Thanks for the help!!

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nobusCommented:
wuthout cpu , no board will do anything !
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ned4spd8874Author Commented:
I contacted Asus, and they said it would give me an error message, which it did not.

Regardless, no matter what I tried, the board would never boot up...it's DOA.
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nobusCommented:
without cpu  it will give nothing; no message -you must have misunderstood
i have such a board and guess what ? without cpu - nada = 0
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ned4spd8874Author Commented:
It turns out that the mobo isn't compatible with the cpu.  They are both 775, 800 fsb, etc.  But the cpu is dual core and I guess the mobo doesn't support dual core.  Argh!!!
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nobusCommented:
No it does not; here the cpu support page :
http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us&model=P5GD2

umho, you never mentioned you used a dual core...
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ned4spd8874Author Commented:
It's been a while since I've built a PC and back in the day, it was always AMD.  So, I'm a little rusty.

I checked the specs on the board and it says it's 775, 800 fsb, supports P4, etc.  I didn't realize that it wouldn't be compatible.  My bad.
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nobusCommented:
nowadays, you better have an intel...check the net
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