I recently purchased a second 2012 mini for use as a secondary desktop. The mini works well with one exception; any display hooked into the Thunderbolt port isn't recognized. The Thunderbolt port itself works fine; I've hooked my MacBook Air into it and it was recognized fine. The HDMI port works fine as well. I've tired different displays, different adapters, all with the same result. I've tried PRAM and SMC resets as well. Any ideas?
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