I have an iBook G4 that I bought in September 2005. Yesterday I was travelling on Amtrak and had my computer plugged into one of the outlets so I wouldn't use the battery up while watching a movie. All of a sudden the AC and train lights turned off and so did my computer. I figured the electricity to the car went out for a second but I'm not sure why that made my computer turn off. I tried to turn my computer back on but it wouldn't do anything. No start up screen, not even any fan noise. Just a dead computer. I tried about every 5 minutes in vain to restart my computer. Once I got to my train station and then to my apartment (about 30 minutes after last attempt), my computer turned on as if everything was normal. I was wondering if this had ever happened to anyone else and if anyone thinks I need to have my computer checked out. Thanks.