crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

Sounds like you are trying to use a 4K logic board within a standard retina system!

The older Retina display/cable is not designed to support the added data lines needed to support the newer 4K data stream.

crwdns2915684:0crwdne2915684:0:

open