crwdns2934241:0crwdne2934241:0 Gigabit87898
crwdns2934249:0crwdne2934249:0:
Contact ifixit support, that is a defective or installed incorrectly part. Try to reseat the cable first and if that doesn't work request a new part.
crwdns2915684:0crwdne2915684:0:
open