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Just finished the assembly but nothing on desktop :( . Help please

Last response: in Systems
October 25, 2012 11:31:06 PM

HI guys, I just finished my first PC but when I turn the PC on, there is no image on the screen. The monitor stands on stand by. Anyone have an idea what can it be?

The parts of the PC are these :

CPU : 2 x Intel Xeon
CPU Coolers : 2 x Zalman cnps12x
GPU : 2 x QUADRO 4000
Memory : Geil EVO CORSA 8x8GB
HDD : Seagate Barracuda 3TB
SSD : Crucial M4 256GB
Case : Lian Li PC-V2120B
October 25, 2012 11:49:56 PM

Make sure all your connections are secured on the motherboard.
Some Bios don't use your GPUs as the defualt viewing card, try taking out both GPUs and running with onboard graphics. if no onboard then just put one card in to start.
Have your tryed a different monitor or TV?
Try hitting reset on the case (if there is a reset button)

Do the fans actually spin?
October 26, 2012 12:16:22 AM

You don't have an operating system listed. Have you installed one yet?

Also, what in the world are you doing with that machine? That's WAY expensive and overpowerful for a first-time gaming rig.
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October 26, 2012 1:13:10 AM

That a server class work machine... (Damn, I'm envius :D )

I would like to unplug one of the GPU and leave only one memory for each proc and see if it can get to bios...
October 26, 2012 7:07:48 AM

DarkSable said:
You don't have an operating system listed. Have you installed one yet?

Also, what in the world are you doing with that machine? That's WAY expensive and overpowerful for a first-time gaming rig.

Its not for gaming. Its for 3D modeling and rendering.

By the way thanks guys for your support. I will come back with the results when I will be back because I just woke up and I need to go to the bank :lol:  . I also thought that the video card might be the problem
October 26, 2012 9:15:15 AM

nope, I just tried these methods and none is working :(  .
October 26, 2012 10:46:38 AM

PSU : corsair AX1200 Gold
Mobo : EVGA SR-X
October 26, 2012 10:48:20 AM

Shouldn't be any problem with those. You have both CPU power connectors and the 24pin plugged in?
October 26, 2012 10:49:47 AM


Right now I'm making a sketch to show you how I have made the wiring
October 26, 2012 10:53:30 AM

Do the fans spin when you press the power button?
October 26, 2012 10:54:43 AM

yep , all of them
October 26, 2012 11:02:19 AM

Here you have the image at high resolution so can you zoom in easily
October 26, 2012 11:11:40 AM

Looking at the image there are two power connectors per CPU, though one of them seems to be 6 pin?? Maybe they're using a PCIe connector.

You should have a total of 6 cables from PSU to mobo: 2x8Pin CPU Power, 2x6Pin PCIe CPU Power (??), 1x6Pin PCIe by GPU slots, 1x24Pin main connector.
October 26, 2012 11:17:03 AM

Should I try to remove the 8 pins power connection which goes to the CPU and use the 6 pins ? Or let the 8pins and also add 6 pins power connection ?
October 26, 2012 11:23:18 AM

Read review and all three 6pins are extra power for multi-GPU setups, despite being placed by the CPU power connectors. You want them all connected.
October 26, 2012 11:37:51 AM

same result :( 
October 26, 2012 11:41:10 AM

I will take one from my brother PC. Good idea. And thank you for helping me :) 
October 26, 2012 11:51:31 AM

done, same result . :| ... its starting to pissing me off
October 26, 2012 12:25:10 PM

There is a button on the mobo "Clear CMOS" . When I press it, the mother board turns on and the power button is green (which is good) but it staysjust 1 second and it becomes back to red :( 
October 26, 2012 12:27:03 PM

Take it out of the case and breadboard it on a non-conductive surface. There may be a short or something to the case.
October 26, 2012 12:28:53 PM

ok, I will try
October 26, 2012 3:42:16 PM

thanks alot, I do what you have said and I noticed that one of the cables weren't connected very well to the PSU , then I noticed that the bolts which hold the GPU in place were the problems. Now the GPU stays without those bolt and since I am not moving my pc a lot, for the moment it will remain like this.

Thanks again for your support and sorry for waisting your time :D 
October 26, 2012 4:19:04 PM

I think we all here glad that we can help :D  (even it just a little).

Anyway nice to hear it all sorted out