Thunderbolt 2.0 ports stopped working.
I have a 27" iMac late 2013 and the thunderbolt ports stopped working. What can I do to reset them?
iMac Line (2012 and Later)
Question marked as
Have you done a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...