I was just playing Rome: Total War Barbarian Expansion, and my 2011 MBP just shut down. I assumed it was because the battery died (it was at 59% when I started about 30 minutes earlier). After plugging it in, the ssd (I'm assuming) makes a funny noise, and the computer tries to turn on. The apple logo comes up and it makes the A pitch, then it shuts down. It kept trying this until I held the power button down and it stopped trying. What's going on? Should I let it sit on the charger for a while and start it up, or is something else going on?