Ref GTX 680 2nd DVI port stopped working

I'm having trouble with my GTX 680 second DVI port. It seems to register that it's connected, but doesn't have any signal.
Now, it's worked perfectly for weeks... until I replugged it yesterday.
My set-up (that used to work):
>DVI port 1 goes to main monitor
>DVI port 2 goes to second monitor
>HDMI port clones DVI port 2 and goes to TV
And this is what I did:
>Unplug 2nd DVI port, use it temporarily for another machine
>Replug hours later, not working
And what I've tried:
>rebooting
>reseating the GPU
>blowing dust out of the GPU
>emptying my computer for power (pull out powerplug, hold power button for 30 seconds)
>clearing CMOS
>different drivers (both with and without clean install option)
>plugging monitors into 2nd DVI port (no signal from any monitors)
>tried DVI to DVI, DVI to VGA, and DVI to HDMI - nothing seems to work
>tried older GPU, it worked (with both ports)
>tried the onboard DVI port for 2nd monitor, works but then I can't "clone" it to my TV.
It also doesn't seem to get any signal during POST and BOOT (tried both monitors).
The monitor also appears in "Screen Resolution" but as "Available display output: on Intel(R) HD Graphics 3000," but it doesn't work.
When I messed around with it, trying to get it work, it also had an option to "force VGA" or something like that - but that did not work either.
Specs:
>ASRock Extreme3 Gen3
>2500K
>8gb Samsung Green low profile ram
>MSI GTX680 with ref cooler and EVGA backplate
>Corsair AX750
>OS: Windows 8 x64 (although I doubt the operating system is an issue, since I don't even get output during POST/boot).
I've tried searching, but to no avail. I've found people with similar issues, but none that managed to solve it. Example:
>forum-en.msi.com/index.php?topic=142971.msg1066807#msg1066807
>www.overclock.net/t/1280021/cannot-connect-second-monitor-to-first-dvi-port
>rog.asus.com/forum/showthread.php?16788-Monitor-not-coming-out-of-standby-unless-DVI-unplugged-then-plugged-back-in&s=754453e3498101ccfa8f0f35926c8771
(had to remove the http:// since I get this error: "Sorry, you are not allowed to post external links.")

Quote from: badboy2k on 10-November-12, 01:29:01
I'd RMA the card as it sounds like the 2nd connector is broken and is not working guess it wasnt soldiered in place properly and its cane away on one of the connectors!!
Sounds probable, but if you look at the first link I posted where other's have similar issues (https://forum-en.msi.com/index.php?topic=142971.msg1066807#msg1066807) he tried swapping his GPU and it did not work for him. It might of course still be that the connection is just bad on my GPU and something else for him.
I'll wait a while and see if other's can come up with some good suggestions. If not, I guess I have to RMA it.

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Ref GTX 680 2nd DVI port stopped working

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