Do I have a faulty CPU? Motherboard? please help.

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Chas__mazzucco

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May 16, 2016
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Hey all, so I built my PC three days ago and I had to use a atx case since I was sent the wrong one. Well, everything worked fine there. Now I am moving the components into the itx case. I had everything in there but suddenly nothing was working.

The two front fans (connected by a splitter) do not work, the cpu fan turns on then turns off as does the gpu fan. Oddly enough i have one fan that will keep on spinning no matter what. I took everything out of the case but still nothing is working.

Last night i took the motherboard out of the old case and left it out so that it was resting on the Noctua c14 heatsink. ( the fan was resting on the box with the mobo suspended in air.

I also tried all my dimm slots and nothing worked. Please help me out, i just want to know what i need to RMA.
 
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beyondlogic

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Jun 6, 2013
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if you left the atx motherboard in open air dust may have settles on your components and shorted the board before that it could be that something was touching the metal of case and shorting it out

 
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Anurag20

Anurag20

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May 10, 2016
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Hey dude..

One golden rule I think, is never try to assemble an incompatible parts-list.. Anyways I still think, there is a very good chance that some electrical and/or other connection is the culprit 'cos it is VERY VERY rare for new hardware to be defective..

I think if u use a different splitter or a different power connector, those 2 fans should light-up.. The behaviour that u said, turning-on then turning-off usually occurs when something like the CPU power connector is not connected.. Be sure that u have made all the power connections to the Motherboard, 24-pin ATX, 8-pin CPU power connector, CPU fan and other fan headers, GPU power connector..

Sometimes overlooking something as simple as the motherboard power-on, reset headers will also create a lot of confusion -- this is especially with a new case to which we are not accustomed..

See this checklist, sure to help u out..

PERFORM THESE STEPS before posting about POST/boot/no video problems!

:))
 
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Chas__mazzucco

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May 16, 2016
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Thanks, I quintuple checked every connection so I'm really not sure of the issue. I sent for another motherboard and if that doesn't work I'll get a new psu and if that doesnt work I'll have some techie do the build for me. I see what youre saying and it is likely but the fact that the system would work one minute and the next it wouldnt boot leads me to believe that there is some sort of faulty hardware. I may even be at fault because I built this on a carpet with socks on, I made sure to be grounded but I may have plugged wires in or touched the motherboard without being grounded properly, worse yet I put the PSU in after the mobo and I screwed the mobo in very tight (the bottom top left shows some smushed metal)
 
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beyondlogic

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never build on carpet doesnt matter if your grounded carpet is a nightmare always do it on a wooden surface or some sort of cheap card board on a table works also
 
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Chas__mazzucco

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May 16, 2016
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Well i didn't build directly on the carpet, I was standing on it while I worked on a table.
 
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beyondlogic

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then you should be fine as long as you were grounded to metal even being grounded to the metal on pc case would have caused no harm to board to me sounds like you got a doa board what maker of motherboard is it
 
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beyondlogic

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