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New build won't stay on


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#1
jst42day

jst42day

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I just put together the following pc.
Antec Three Hundred case.
Core2 Duo E4600.
CM Hyper TX2 cpu cooler.
GA-EP35-DS3R motherboard.
Mushkin 2x2GB memory.
EVGA 8600 GT.
Enermax Liberty 500 watt psu, less than 1 year old.

This is my first time building a new pc.
I installed the above parts being as careful as I could be.
Had difficulty with the cpu cooler due to the push pins. Won't buy another cooler with that mounting system.
I went to boot up the pc and all it will do is turn on and then turn off again quickly.
Does not stay running for more than a second. The beep codes don't even sound.
The mobo has load lights on it and they all go on and then off with everything else.
The fans go on too. And of course they too go off.

I checked all the connections for any that might be loose but with no luck.
Also checked the switch connections. They were ok from what I could tell.
I removed the psu and hooked it up to my old pc again so that I could get online. So the psu is ok.

I hope somebody will be able to help with this.
Thanks.
jst42day
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#2
Kazzoo

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Greetings jst42day

Sounds like the main board is shorting against the case.

You did use the little brass standoffs first before mounting the motherboard right? They look like a hexagonal hollow cylinder with a screw on the end.

Link to picture--------------->http://www.hls-syste...2L/DSCN3330.JPG


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Regards

Kaz
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#3
jst42day

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Kaz,
Yes, I used the standoffs and checked a couple of times that I had all the right ones used.
I don't have much knowledge with pc's, but I also am thinking of a short or just maybe a faulty switch on the case.
I'm know the board needs to be grounded to work, so when I get home later, I'm going to try removing the board and grounding it while I try to run it.
I just hope I'm not having a problem with the mobo or cpu.
Thanks.
jst42day
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#4
Case Mods

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Read the Motherboard manual and look at the Power Supply section.

You could have a power supply that isn't big enough for your board or too much power for your board, and your board shuts it self off so it doesn't fry.
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