Endless rebooting with new motherboard

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Michael Knights

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Apr 24, 2013
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I am trying to build a new computer but have run into a problem. I have gone through all the troubleshooting steps - tried a different PSU, memory, tried outside of the case, removing and re-applying the thermal paste and even a different processor. Yet I get this endless rebooting.

There is one beep then it turns off after about 5 seconds and repeats the same cycle again and again. Nothing is displayed on the screen.

I am trying to save a bit of money so I bought an old generation motherboard (Gigabyte GA-G41M-Combo Socket 775) and a Core 2 Duo processor to go with it so I can reuse some of the old parts I have. However everything seems to be telling me I have bought a bad motherboard..

Any ideas?
 
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adycopilu

adycopilu

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Mar 8, 2013
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One long beep usually means memory problem (depends on the motherboard, though). But if you tried with different memory and still got the same beep, it can be the memory slots of the motherboard. Try to boot only with your CPU, note if is there any difference in the beep code. Although something tells me you have already tried that.

I would bet on the motherboard as well.
 
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Michael Knights

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Apr 24, 2013
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Without the memory I get three long beeps. I assume that means a problem with memory as I couldn't find anything in the manual. With the endless rebooting the beep is a short one, like the one you get when it boots successfully.
 
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adycopilu

adycopilu

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Mar 8, 2013
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If you have two memory sticks, try with only one of them. First with one stick, then with the other. Try also to move the stick to different slots on the motherboard. Notice if is there any difference. That's good way to test memory issues.
However, one short beep means successful POST, which means all your components should be fine. Maybe your PSU can't handle the power load after all components are initialized? Also, check the front panel connectors if they are correctly plugged in to the motherboard headers. One other common issue with similar outcomes is some short on the motherboard. Are you familiar with breadboarding? Try that.
 
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