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homebuild Computer won't boot; 1 long beep, 2 short beeps with Gigabyte motherboard

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July 7, 2014 5:42:41 AM

I've setup a mostly new homebuild PC with new gigabyte GA-Z87N motherboard with onboard graphics plus new-ish Intel CPU and Corsair RAM from PC that stopped working a couple of weeks ago. Externally have usb keyboard and DVI monitor plugged in.

After I turn on the power and press the power button:
* the case fan starts
* the cpu fan jiggles slightly
* there is a long beep and whirring noise coming from the motherboard followed by 2 short beeps with different tones.

I've tried a different DVI cable connecting to a different monitor with same effect.

I've gone over al the cable connectors and made sure everything is seated properly.

Taking either one, or both sticks of RAM out makes no difference to the beeping.

Anyone know what the beeps mean for this gigabyte MB? According to one site this has the AMI BIOS.

More about : homebuild computer boot long beep short beeps gigabyte motherboard

July 7, 2014 5:58:24 AM

full spec? which newish intel cpu model?
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July 7, 2014 6:08:20 AM

rgd1101 said:
full spec? which newish intel cpu model?

CPU:
Intel Core i5 4690
3.5GHz Quad Core CPU,
LGA1150
BX80646I54690
Uses the stock fan that cam with the CPU. There was thermal paste from original install on the CPU and the bottom of the fan and this wasn't changed although I can't guarantee that the fan went in exactly the same position as it had two weeks ago.

Memory:
Corsair CMV16GX3M2A1333C9
16GB (2x8GB)
PC3-10600 (1333MHz) DDR3 Dual Channel RAM

One spec for the motherboard says DDR3 1600 Mhz bus clock on the RAM. Mine are only DDR3 1333. Could that be a problem?

PSU:
Corsair CX430

I think the next step will be to replace the CPU or RAM. Any suggestions as to which is the more likely since this will be an expensive step?
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July 10, 2014 5:04:01 AM

I believe one long beep and 2 short beeps are a RAM problem... not sure though.
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July 10, 2014 10:09:34 PM

After digging around a bit, and running into the same problem once before (thank you google), as it turns out, according to this from gigabyte, 1 long and 2 short beeps on AMI is a graphics error somewhere down the line. It could be that your graphics card isn't completely seated or if your using the integrated Intel HD graphics, then you are really on the screwed side. Here's the link.

http://forum.giga-byte.co.uk/index.php?topic=2248.0;wap2
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