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660 TI Not displaying monitor

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Last response: in Displays
December 27, 2012 10:02:42 PM

Ok so my girlfriend got the components to put together a new computer for Christmas. I put it all together and boot it up and the monitor is not displaying. The overall PC boots and stays on but the monitor does not display. Things that I have tried:

1. Using different HDMI/DvI wires.
2. Attaching the monitor to my desktop. (Monitor works)
3. Re-seating the GPU.
4. Moving the GPU to an alternate PCIe slot.
5. Double checked the PCIe 6 pin power cables to the card.
6. Put 660ti in my machine, works fine.
7. Put my 560ti in her machine and it does not work.

The specs for the PC are:

Power Supply:
Graphics Card:

I am not sure what else to try here.

More about : 660 displaying monitor

December 27, 2012 11:11:54 PM

UPDATE: I think it is possibly the the PSU isn't generating enough power to the cards. The 560 and 660 both won't work with the PC. When I leave it on for about 10 seconds a blue light lights up on the 660 (I think the light is supposed to always be illuminated) this leads me to believe it is struggling to go on.
a b U Graphics card
December 28, 2012 12:13:34 AM

Try your power supply in her system.