crwdns2934241:0crwdne2934241:0 lisergium

crwdns2934249:0crwdne2934249:0:

Hi! I just got my Mac Pro late 2013 in Apple Authorized Service. The guy from the store said he did this on my machine. Now it won’t works anymore. Should it be the cause? I can't understand why he did this.

crwdns2915684:0crwdne2915684:0:

open