Is this the sound of a faulty motherboard? (Boot loop) GIGABYTE Z87X-D3H

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DaveBC

DaveBC

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Sep 13, 2014
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This is a brand new GIGABYTE z87X-D3H that won't POST. When powering on, the CPU fan will spin up for about 2 seconds before turning off. This is then looped until the power is cut. I have attempted the following to try and diagnose the problem:

  • ■ Unplug everything apart from the two main power cables and CPU fan.
    ■ Changed CPU fan.
    ■ Removed CPU, checked pins and everything was in order.
    ■ Removed motherboard from case to check that board was not shorting out on case.
    ■ 3 Different manufacturers of memory (crucial, g skill and patriot).
    ■ Positioning a single stick of memory in all 4 sockets.
    ■ Clear CMOS (both by onboard pins and removing battery).
    ■ Changed PSU.

The motherboard does not have a speaker and the case I am using does not either. Today I borrowed a 4 pin speaker (like this one) and so I made this video of the sound the speaker makes when attempting to boot.

Gigabyte Z87X-D3H "Beep"

I fiddled with a 2 pin speaker (like this one) to also produce a similar sound. The only thing I cannot change is the CPU since I do not have another Haswell chip to use.

My question is this the sound of a faulty motherboard? Is there anything else I can do to try and diagnose a problem?
 
Solution
popatim
If you have a system speaker - try removing the ram and add-in cards like the GPU also. And then boot up. It should beep to indicate that it couldnt find ram. This would be a good sign that the motherbd and cpu are probably ok. If you get the beeps turn off the power again and add in 1 stick of ram and now see if you get the single beep. The motherbd will default to your built in GPU so make sure the monitor is connected to that one.
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popatim

popatim

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If you have a system speaker - try removing the ram and add-in cards like the GPU also. And then boot up. It should beep to indicate that it couldnt find ram. This would be a good sign that the motherbd and cpu are probably ok. If you get the beeps turn off the power again and add in 1 stick of ram and now see if you get the single beep. The motherbd will default to your built in GPU so make sure the monitor is connected to that one.
 
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Solution
DaveBC

DaveBC

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Sep 13, 2014
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Thanks for the reply, papatim. The video was recorded with no ram inserted since I was attempting to find a beep just like you suggested. Only the CPU, CPU Fan, 24pin ATX and ATX 12v 8pin were connected to the motherboard.
 
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DaveBC

DaveBC

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Sep 13, 2014
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4,510
I am going to assume that since no-one has hinted at a similar experience that this is indeed a duff motherboard. I have contacted Gigabyte and waiting for a reply. I will post the outcome here for anyone that stumbles across this with a similar problem.
 
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