crwdns2934241:0crwdne2934241:0 alexclifford

crwdns2934249:0crwdne2934249:0:

Had the same issue a month ago. Buzzing all the time and increasing the brightness made it worse.

Took it to the Apple Store and they replaced the psu for $129 Canadian. You have to make sure it's the new version of the power supply.  Problem was fixed. No more buzzing.

crwdns2915684:0crwdne2915684:0:

open