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New Power supply and Graphics card PC turns on then off instantly.

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December 8, 2013 8:58:57 AM

My computer turns on then off instantly after I installed I new graphics card and Power supply I need help. I believe everything is plugged in correctly, after taking out the graphics card the PC still won't start the power supply is a 750 Watt smart Thermal take, It should be more then enough to run my system, and the card is a GTX 780. I am new to putting together PC's so it's possible I missed a plug please suggest a possible plug I missed and what the issue could be thanks.

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a c 2186 ) Power supply
a c 822 U Graphics card
December 8, 2013 9:12:20 AM

Make sure card is seated correctly , and that the PCIE power cables are fully plugged into the card.
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a c 2186 ) Power supply
a c 822 U Graphics card
December 8, 2013 9:13:21 AM

Are both of your motherboard power connections plugged in.
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a c 2186 ) Power supply
a c 822 U Graphics card
December 8, 2013 9:13:35 AM

Specs?
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December 8, 2013 9:23:05 AM

SR-71 Blackbird said:
Specs?


AMD FX 6120
1 TB harddrive
10 GB DDR3 Ram
The new stuff is
750 Watt Thermaltake smart powersupply
GTX 780 Ti
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December 8, 2013 9:24:17 AM

SR-71 Blackbird said:
Are both of your motherboard power connections plugged in.


The big one and the 4 pin one are both plugged in and the Graphics card I believe was seated properly and both plugs were plugged in since it was powering up.
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August 7, 2014 5:16:49 AM

i am having this problem and did u fix the problem if so what was it i need some help
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