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Gigabyte GA-EX58-UD3R and i7 920 in restart loop


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#1 antoniu200

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Posted 29 June 2016 - 05:21 PM

As the title says, I have a Gigabyte EX58-UD3R and an i7 920 bought from second hand. The seller said that this kit stays on for 1 second and then shuts off and sits for 3 second and the process repeats. There are no bend pins or things like that. I have tried removing the RAM, the HDD, the DVD drive and the GPU, but it doesn't work. My case doesn't have an AC'97 or something like that to output the beeps. I have also let the CMOS battery out for 2 Hours and replaced it too, but got nothing besides the annoying loop. The PSU is definetly fine, yesterday it worked on an Athlon 750K at 3.7 GHz and a GTX 650. There were no storms or phenomens that could cause the PSU to fail. What to do?? Please respond fast, I need this up untill this Friday!

Edited by antoniu200, 29 June 2016 - 05:21 PM.


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#2 bc0306

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Posted 29 June 2016 - 06:28 PM

I would buy a pci motherboard analyzer and post the code here


Don't even think about it if your not sure


#3 bc0306

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Posted 29 June 2016 - 06:29 PM

I would buy a pci motherboard analyzer and post the code here

 

Also they cost about 5-10 bucks, http://www.ebay.com/itm/New-LCD-PCI-PC-Computer-Motherboard-Analyzer-Tester-Diagnostic-Card-/271455696062?hash=item3f340534be:g:dH4AAOSw~gRVyxeD


Don't even think about it if your not sure


#4 bc0306

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Posted 29 June 2016 - 06:31 PM

http://www.ebay.com/itm/4-Digit-Card-PC-Analyzer-Diagnostic-Motherboard-POST-Tester-Computer-PC-PCI-ISA/371587980952?_trksid=p2047675.c100009.m1982&_trkparms=aid%3D777000%26algo%3DABA.MBE%26ao%3D1%26asc%3D37252%26meid%3D5bdcc6665b3442f48a040f792ea192c0%26pid%3D100009%26rk%3D1%26rkt%3D1%26sd%3D271455696062


Don't even think about it if your not sure


#5 antoniu200

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Posted 30 June 2016 - 02:02 AM

I got news. I tried something that I saw on a site, to power the motherboard without the CPU in, but the power cord for the CPU was disconnected too. This time, the motherboard worked. WUT??? Without the CPU?? And when I put the CPU back, it wouldn't start again, only that loop would happen. If I let the CPU out and the power cord for it plugged it, the mobo still doesn't work. I think it's the CPU, but I would like someone to confirm this.
And I can't buy an analyzer because at our local store, there is no such of analyzer and I don't have the time to order one.

Edited by antoniu200, 30 June 2016 - 02:06 AM.


#6 JohnC_21

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Posted 30 June 2016 - 07:41 AM

Looking at the MB manual there is a header for a speaker. Does your local source have one of these? This should at least give you some beep codes.

 

http://www.ebay.com/itm/2-pieces-of-Computer-MotherBoard-Speaker-buzzer-Free-shipping-to-world-/261380661637

 

Can you check the power connector for the CPU with a multimeter. 

 

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

 

If you don't have a multimeter handy to check the CPU connector and the PSU has an available molex connector see if your local source has one of these as shown in the above link.

 

12v4pinadapter.jpg

 

 

 



#7 antoniu200

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Posted 30 June 2016 - 09:18 AM

My old computer case has a speaker. I could connect it and see if we can get something.

What information can the adapter above provide us? My PSU has 650W. It's a Corsair VS 650. And it has an 8 pin connector for the 12V rail.

#8 JohnC_21

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Posted 30 June 2016 - 10:18 AM

The multimeter would be able to tell you if you are getting enough voltage to the CPU connector. If the multimeter was not available I was suggesting using a molex to CPU connector to rule out a voltage problem. 



#9 antoniu200

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Posted 30 June 2016 - 03:13 PM

I really don't think it's a voltage problem, as the seller tried to power it using an 800W PSU.

I have bought a speaker for the MOBO, but it didn't return anything: neither with the CPU plugged in, nor without.

Edited by antoniu200, 30 June 2016 - 03:14 PM.


#10 JohnC_21

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Posted 30 June 2016 - 03:53 PM

If the customer used a different PSU and the same thing happened then It's either the MB or CPU. 

 

One other thing. Did you try breadboarding the MB taking the case out of the equation? 



#11 antoniu200

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Posted 30 June 2016 - 04:23 PM

It was clear that it was the CPU or the MoBo. We were testing the PSU for really no reason. As I said, the PSU used to run just fine on an Athlon 750K at 3.7 GHz and a GTX 650. And now it runs on a Pentium G2020 and the same GTX 650. This setup is, of course, temporarely used. Both the ASRock H61M-VG3 (MoBo used to put the Pentium) and the Pentium G2020 are for sale, so yeah...

What is "breadboarding"? And another question, is it possible that both of them are dead? Just so I know what to expect.

Tomorrow, I'm going to leave my town and I will come back after a week. We will still be able to talk, but we won't be able to test anything.

Edited by antoniu200, 30 June 2016 - 04:27 PM.


#12 JohnC_21

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Posted 30 June 2016 - 04:44 PM

Yes, it's possible that both the CPU and Mohterboard are bad. 

 

Breadboarding is taking the motherboard out of the case, placing it on a non-conductive surface and attaching the PSU with one stick of RAM and no video card attached. Then progressively add your devices.

 

http://www.tomshardware.com/faq/id-2176482/breadboarding-stripping-basics-troubleshooting.html



#13 antoniu200

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Posted 30 June 2016 - 05:23 PM

If I can, I will. Now it's late. In Romania, it's 1:23 AM. I'm going to sleep. We'll see tomorrow.

#14 antoniu200

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Posted 01 July 2016 - 09:00 AM

No, I couldn't do the breadboarding, but in this situation, I think it's a loss of time. Let's skip this.

#15 JohnC_21

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Posted 01 July 2016 - 09:47 AM

The only other option I can think of is to pull the power button connector of the case from the motherboard and short the two pins. The reboot could be caused by a defective power switch on the case.  Check the MB manual for the pins to short. Other then the switch the only other things it could be is the MB and or the CPU. 

https://www.youtube.com/watch?v=BZqunOrUWeM

Have you tried one stick of RAM in every slot to see if you get the reboot. 






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