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new computer, fans run a few rounds but nothing else


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#1
Henee

Henee

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Hi!

I'm having a problem with a computer I built, my first one. When I press the power button fans turn a few rounds (for a half a second or so)and a light on the front board flashes, but the computer doesn't start up or make any beeping noises.

Specs are as follows:
Motherboard: Gigabyte X79-UD3
Power supply: Corsair TX650
Graphics card: nvidia GeForce GTX 560
Memory: Kingston Hyperx Genesis (there's also fb-dimm notation on the manual, tho it gave something else in google search)
Processor: Intel i7-3820
And its fan: NH-D14 SE2011

Thanks,
Henry

Edit: I forgot to mention, that I have searched forum (and google) for similar cases but found all the posts unhelpful.

Edited by Henee, 29 May 2012 - 10:25 AM.

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#2
phillpower2

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:welcome: Henee

Please provide more information about your Ram such as KHX1600C9D3K6/24GX or better still provide a link to the product if you can.

Best couple of suggestions I can make would be first remove the MB and do a barebones set-up on a piece of cardboard (make sure it is larger than the MB) only connect the PSU, the GFX card, 1 stick of Ram and the keyboard.
IF your MB doesn`t have a power test switch you will then need to short out the 2 power on pins on the MB header to get the PSU to activate, you can use a small flat bladed screwdriver or a paper clip bent into a U shape, this is perfectly safe if you do not touch anything else, the idea is to see if we can get a BIOS screen if you do you can then add one component at a time until you find the problem component, you must power down and remove the power cord from the wall before adding a component, second suggestion try a known working PSU, it is not unknown for new components to be bad, third suggestion try and loan an ordinary PCI graphics card (not pci-e) again to try and get a BIOS screen.
Other things to check include, if you used stand offs beneath the MB are they in the correct locations (only where there is a screw hole in the MB) otherwise the MB will short out, check for stray screws or bared wires for the same reason, make sure the jumper cap that can be used for clearing the CMOS is not missing or on the wrong pins.
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#3
Henee

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Thanks for a fast reply, phillpower2.

I'm currently typing this from my new computer :). Something was short cutting MB I couldn't find out exactly what. I did the barebones set-up and it worked. Then I reassembled the computer piece by piece testing it after every step. When I finished the problem was gone and here I am.

Thanks again,
Henry
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#4
phillpower2

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Glad to hear you have resolved the issue :thumbsup:
You are welcome BTW
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