Thunderbolt ports no longer working

My iMac 27" running Mountain Lion Thunderbolt ports are no longer working out of no where. I leave on a Friday, come back into the office on Monday and my second display, my Black Magic Monitor Card, all of my Thunderbolt drives no longer work with the iMac, but each device works fine with other Macs.
I've reset the PRAM and SMC over 5 time each, but to no avail.
Mountain Lion 10.8.5
Thunderbolt Firmware 23.10
No updates avail besides Mavericks (which I can't because of certain 3rd party plugins not supporting it yet)
Any idea of a solution besides Apple Store?

See Using Apple Hardware Test.

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Thunderbolt ports no longer working

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