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New PC build issues


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#1 90awdturbo

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Posted 03 December 2012 - 11:50 AM

So I built a PC for a friend the other day and ran into an issue when i fired it up. Basically it will fire up for a second, the cpu cooler fan would spin extremely slow, and then it shuts back off. Rinse and repeat until I manually shut it down. I thought this could be a power supply issue but after trying 2 others I'm still having the same problem. Is the MB dead?
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#2 dc3

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Posted 03 December 2012 - 02:55 PM

Recheck your connections, all of them. Make sure that the standoffs of the motherboard are keeping the motherboard from grounding to the case.

Did you apply thermal compound between the heat sink and the CPU?

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#3 90awdturbo

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Posted 06 December 2012 - 08:25 PM

Thanks for the response. So this was a mini ITX build, first one actually. The MB I'm using you can find here http://www.newegg.com/Product/Product.aspx?Item=N82E16813135323. So I've tried everything you've said and more, even added some stand offs(none came with the case) which appeared to be built in where the MB mounts. I'm thinking at this point it's either the RAM I'm trying to use http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314 or the board is just dead. What are you thinking?
"Your biggest critics are your best friends" -Benjamin Franklin

#4 pontiacinf

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Posted 06 December 2012 - 10:31 PM

I have the exact same issue with a asus p6t i7 x58 board. Everything spins for 2-3 seconds and dies only my MB has two lights on it power (glowing red) and reset (green) and I can not get the board to reset for the life of me.

#5 dpunisher

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Posted 07 December 2012 - 10:38 AM

The generic "power but no post" diag:

Unplug everything except: power connectors (24 and 4 pin), video output to monitor, and one stick of memory. Retest.
Swap sticks of RAM, swap slots....retest. If no post.........

Pull board from case, put it on a non conductive surface (ie don't lay it on a sheet of aluminum foil) hook up and retest as above. If still no boot, pull cooler and CPU, inspect closely for damaged/burned pins/contacts. Is the CPU fan connected to the "CPU FAN" header and not a case fan header?

Doublecheck to see if your CPU is supported by the board/BIOS revision. What CPU?

EDIT: I do wish you luck with it. Disheartening when a new build doesn't post.

Edited by dpunisher, 07 December 2012 - 10:40 AM.

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#6 billy gates son

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Posted 07 December 2012 - 01:49 PM

I would try to clear the BIOS as well by pulling the battery and doing the clear procedure.
I fixed a computer that got knocked over and wouldn't boot anymore, it did after the BIOS was reset from the battery pull.




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