My macbook has started to randomly shut itself off. Sometimes it lasts 10 minutes, sometimes 1, sometimes hours on end, but over the past week it keeps dying on me all the time and it usually takes several tries to get it going again. I have read on here and on the Apple forums that it is happen to several people but most of them are old posts so I didn't know if there was any new news on what might be causing it/potentials fixes. I would love to take it to the Genius Bar or whatever but sadly being up here in the Great White North, we don't have those yet Any advice besides calling Apple and getting them to fix it? btw, I have tried updating, resetting permissions, resetting the PMU and reseating the Ram.