This just happened to me in the last 24 hours. The TB ports have worked fine with no issue. Suddenly, this morning i went to log in and my second display didn't come up. I've tried, SMC, PRAM, diagnostic, and so far haven't been able to resolve. Going to back up my system and try booting into safe mode, or a fresh install.
Mine is a late 2014 27in iMac Core i7. Its a great system considering its age, but I really do need dual displays for my work. It would be a shame to have retire this. Im not up to moving to the new mac silicon. I still need to run x86 VMs.
Mine is a late 2014 27in iMac Core i7. Its a great system considering its age, but I really do need dual displays for my work. It would be a shame to have retire this. Im not up to moving to the new mac silicon. I still need to run x86 VMs.
