crwdns2934241:0crwdne2934241:0 Beau
crwdns2934249:0crwdne2934249:0:
That is the light proximity sensor. The other piece is the clip that holds the sensor in place. You need to make sure the sensor is pushed in all the way and then lock the clip into place. This should not have effected your LCD from not turning on at all. Check your connections after you have properly put the sensor back into place.
crwdns2915684:0crwdne2915684:0:
open