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Need help with Gigabyte GTX 660 Ti!

Last response: in Graphics & Displays
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September 24, 2012 5:49:32 PM

I'm finally updating my gaming/all purpose desktop after ~5 years of faithful service and ran into an issue I haven't been able to find a cause for. The existing rig is a Q6600, 8800GTS, 4GB G.Skill RAM, Thermaltake 750W PSU, and ABIT IP35 Pro. Oh, and my monitor is a Samsung Syncmaster P2770.

My goal is to replace everything over the next couple of months, starting with the GPU. I bought a Gigabyte GTX 660Ti two weeks ago and swapped out the 8800 for it. While the card powered up fine and there were no error codes on the mobo, there was no video display either via HDMI or DVI. Swapped the 8800 back in with the same DVI cable and it worked just fine. I couldn't find anything online about the issue, so I just figured I got a bad GPU and RMAd it for a replacement. The replacement came in on Saturday and I installed it yesterday...with the same result of no video from DVI or HDMI.

Am I doing something wrong and my mobo/GPU/display don't play well together, or have I really gotten two duds in a row?

Any help would be awesome!

EDIT: I've verified that all cables and connectors are plugged into the right spots and are securely fastened. Still no dice with the 660Ti, but swapping the 8800GTS back in works as before. When I turn the computer on, it appears to boot up and the GPU fans spool up, too, but the monitor doesn't register a signal.

More about : gigabyte gtx 660

September 26, 2012 12:24:20 AM

It's weird, I got my MSI GTX 660 Ti today and I have the same problem as you.

I put the card in, and there are no more outputs through DVI or HDMI.

I remove the card, video output works again.

The card fans are spinning when its plugged in, dunno if it's an indication if the card should work or not.
It's driving me crazy


** EDIT: FIXED IT !!

God finally.. hope this helps:

In my BIOS, I had to put the Initiate Graphic Adapter to IGD (Integrated Graphics Display) in order to boot the display from my processor.

With my card plugged in, and my boot display set to IGD, I could visually install the drivers for the card.

After installation, went back to my BIOS, and put the Initiate Graphic Adapter to PEG (PCI-Express Graphics device), so that the boot display would load from the PCIE (GPU).

From there, my video output finally worked out of my GPU!

Also check to see if you have any option to Enable PCIE GEN3 in your BIOS.

Good luck
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January 17, 2013 9:46:24 PM

hey wargen, how did you get into the bios... without the monitor working? Thats the problem i have. I cant even see the bios.
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a c 271 U Graphics card
January 17, 2013 9:59:55 PM

Maybe he used his old card then saved the settings.
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