New PNY Geforce GTX 780 does not leave my PC boot?

Alrighty! So this is the second time around I upgraded my PC. My base model was a Pavilion p7 - 1127c (Canadian English). Before recently, I was running on a gtx 570 and a new diet to wear. Everything worked perfectly without any problems, and I decided to upgrade again. This time I pushed my RAM up to 16 gigs, got a new power supply 700W and the above gtx 780.

However, I became frustrated, since, while the gtx is in my computer, I can't start after the HP splash screen, and I have the function keys, it brings me to the POST screen tell me about my features of the computer.  Sometimes lower right, it will add text telling me what I COULD have opened if the computer was not listening on. For example, if I hold f10 I think, it will say "boot menu" in the background, but nothing else changes and no windows open upward.

I tried reseting the CMOS to remove the battery, flipping the switch, unplug, hold down the power button for 20 seconds, all in different combinations.

I tried to take out the HARD drive and commissioning, without change.

I tried to Exchange around the RAM and booting with only 1 location used and others.

I tried to uninstall the graphics drivers and THEN start with the set 780.

I tried updating my BIOS to the latest version with the HP site provides me with.

I don't know what more can be done, and without the 780, all new parts that I got are completely meaningless.

I don't need a psu of 700W to run a 570.

(I also want to point out that the computer works perfectly again once the 780 is not installed).

The 780 stills lights upward when it is powered.

I'd appreciate any help I can get! Thank you

POWER SUPPLY:

http://www.Newegg.ca/product/product.aspx?item=N82E16817139046

GPU:

http://www.Newegg.ca/product/product.aspx?item=N82E16814133489

RAM:

http://www.Newegg.ca/product/product.aspx?item=N82E16820233299

Hello

So why do I feel that this thead element is a "red herring"?

Tags: HP Desktops

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