It's no secret that the MacBook Pro with Retina display is a difficult machine to service. Now it turns out that Mac Geniuses and technicians at Apple-Authorized Service Providers need to take two special classes and pass a special exam to be qualified to service the device.
As noted in a post on 512 Pixels, there are two self-guided online courses that are prerequisites to grabbing your pentalobe screwdriver and popping open the Retina MacBook Pro. The first is a general "MacBook Pro (Retina, Mid 2012) self-paced training course", while the second "Embedded Battery Safety self-paced training course" deals with the glued-in battery pack in the devi
