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P67- UD7 video problems - No signal.

post #1 of 21
Thread Starter 
Have just had the computer out in the garage while i installed some new radiators and arranged some cables. I also tried installing another CPU to test the overclock on that, but now i have no video signal what so ever from the computer. I've tried:

1. Clearing Cmos
2. 4 Different graphic cards (all the 3 6970's i have one at the time, and a GTX460)
3. Tried Graphic cards in both PCI 16x_1 and 16x_2
4. Tried 3 different cpu's
5. Tried 1 and 2 ram sticks.
6. Tried 4 different monitors in all the different outputs.

No matter what i do i wont get any picture on the monitors, when i boot i see the LED on the monitor turn green so it does get a signal from the GPU for the first second, but after that it looks like the GPU stops sending any signal and even before the picture appears on the monitor the LED turn to red again.

The Post MSG on the motherboard shows FF so it's pass the post and trying to boot.

It worked like a charm before i took it out, but not anymore, No water has been spilled on the gpu's or anything like that while or after the computer was taken out, and at this point i dont even have the rest of the system under water, i'm just testing with 1 360 radiator, pump, res and the CPU.

Could my motherboard have gone POOF without doing anything, it has been slightly colder outside in the garage but the lowest the temp sensor in the room showed while the computer was in there was 11c so its way above subzero.
post #2 of 21
only thing i can really suggest would be to make sure you're not shorting anything , Aside from that your best bet is to start testing components individually with spares/ friends parts. Good luck
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Mushkin Black line 2133 Mhz 2x4GB 1TB Western Digital 120GB Corsair Force 3  XSPC EX240 
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XSPC EX240 Swift Tech MCP655 XSPC Bay Res/ Pump EK Res 
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post #3 of 21
Did you plug in the VGA card's power? tongue.gif

Otherwise it looks like you tried pretty much everything ...

Is the motherboard installed on standoffs? Or lying down on something (possibly conductive)?

EDIT:
Have a look here: http://forum.giga-byte.co.uk/index.php?topic=6151.0
Edited by Bloitz - 2/24/12 at 7:30am
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post #4 of 21
Thread Starter 
Quote:
Originally Posted by Nickw View Post

only thing i can really suggest would be to make sure you're not shorting anything , Aside from that your best bet is to start testing components individually with spares/ friends parts. Good luck

Have tested a lot of components from computers in the house, as i said have tried 4 GPU's (3 of them where from this same computer, but i find it hard to belive that all 3 went poof without doing anything, i also tried a GTX460 so i would be pretty sure that the gpu is not the problem.

I also tried 4 chips, yes all where 2600k's but one of them has been running 24/7 in my rig, one 24/7 in Lutro0's rig (bought a chip from him), one is BNIB and the 4'th is from another computer here.

Also tried 2 Ram sticks, yes all where from this rig, so will see if i can test some other ram sticks here.

The only thing i have not had the chance to test is the Motherboard, therefore i think that it is damaged in some way, but how on earth could that happen without anything done to it.

Will look for anything shorting out, but then again the system does not power up, it runs fine, apart from the fact that i don't have any picture on the monitor.
Quote:
Originally Posted by Bloitz View Post

Did you plug in the VGA card's power? tongue.gif
Otherwise it looks like you tried pretty much everything ...
Is the motherboard installed on standoffs? Or lying down on something (possibly conductive)?
EDIT:
Have a look here: http://forum.giga-byte.co.uk/index.php?topic=6151.0

Motherboard is on standoffs, have not been touched in the last months. And yes i did plug in the power, the 6970's will make a loud beep if it's not getting power so that is not the case.

Could be that the 10min i left the battery out did not do the trick, and that the Clear CMOS button is not working, Will try to remove the battery and wait for an hour or so
post #5 of 21
Thread Starter 
Nope tried removing the CMOS battery and pushing the button a couple of times to drain the PSU caps, waited 40min and inserted the battery again, same result.

The annoying part is that after i clear the CMOS it sometimes get stuck with the error code 4e other times 7f, and because i don't have any picture in the monitors i cant see what it says, if i just let it reboot after its stuck @ 4e or 7f it boots again (code ff) so i'm pretty sure that the 4e / 7f is because the Cmos i cleared it needs some input from the used.

But still no signal from the gpu's.

Anyone?
post #6 of 21
you did plug the 12v PSU plugs for the GPUs right? FF means fully functional, it is usually the GPUs at that point. Try everything outside the case if you can.
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Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
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post #7 of 21
Thread Starter 
Quote:
Originally Posted by Sin0822 View Post

you did plug the 12v PSU plugs for the GPUs right? FF means fully functional, it is usually the GPUs at that point. Try everything outside the case if you can.

Have tried 3 6970's and one GTX460, non has given any video signal. The GTX460 was taken right out of a working rig, and after i tested it here it was put right into the other rig and still works.

Yes 12v for the gpu's are connected 115% sure of that.

Will try to see if i can take it out of the case.
post #8 of 21
Thread Starter 
Nope, tried another PSU, not working, tried it outside the case on the motherboard tray and still not working. Its still posting and i see the FF. If i press delete while the codes are changing it stops on 75 because it enters the bios, if i then press F10 to save and enter, it boots up again and goes through the codes until it says FF, but still no signal.

The only thing i can think of is that the motherboard is damaged, but still shows FF and booting, That something related to the PCI slots is not working.

I've tried everything that i can think off so i'm all out of ideas. Will RMA the board on monday and see what happens, until then i will be happy to try other things so just keep the suggestions coming.
post #9 of 21
Thread Starter 
Just tried without the motherboard tray, so running only the motherboard on a cardboard box, only thing that is connected is 24 Pin, 8 Pin Cpu and 8+6 Pin Gpu, and the monitor, nothing else and still no signal.

The only thing i can think of now is that the motherboard is damaged, that All of the PCI_EX slots are broken. Strange considering that nothing has been done to the motherboard since it worked.
post #10 of 21
yea that is odd, all i can think of is that the power from the board isn't getting to the GPUs through the PCI-E, deff RMA.
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CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
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X99 Main Rig
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CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
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