crwdns2933897:0crwdne2933897:0

Mousepad and black light doesn’t work

I poorly replaced my MacBook’s battery and now neither the mousepad or black light work. How do I fix this or do I need to send this off

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0