crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

I'd open it up and check the connections, here's a question that tells how:  https://www.ifixit.com/Answers/View/125986/How+do+I+pull+one+of+these+apart

crwdns2915684:0crwdne2915684:0:

open