The Case of the Missing EFI: Yesterday, I installed a new hard drive on a mid-2012 MacBook Pro (here is a very good video on how to install the drive: https://www.youtube.com/watch?v=I7co5-qJhuM)[1]. The install itself is pretty straight forward, and within about 20 minutes the little MacBook was back together and ready to have the drive… Continue reading Install OS X To A New Hard Drive