crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Unless you have an identical MacBook to switch parts with to test them, this sounds like a job for a professional who has the tools.  Pros do have their place.

crwdns2915684:0crwdne2915684:0:

open