crwdns2934241:0crwdne2934241:0 help

crwdns2934249:0crwdne2934249:0:

I'm not sure what else you can do, but this is a source for the part although it is currently out of stock. https://beetstech.com/product/thunderbolt-display-a1407-2011-logic-board-661-6060

crwdns2915684:0crwdne2915684:0:

open