I bought a new mid-2012 non-Retina MacBook Pro late last year, immediately prior to the line being discontinued (I still think the second-generation MacBook Pros were the best series). After about a week, I found an annoying thing with it: When I turned on the computer after coming back from work, it seemed like it almost always required a cold startup after sleeping, where the optical drive initialized and did its buzz, and took a lengthy 10-15 seconds to wake up from sleep. Also, the computer would wake up (and the optical drive buzzed) even if the MagSafe charger was disconnected. Continue Reading