Make sure that the LED isnt flashing when you go to turn off the system guys, and always use the in-game "Quit Game", then shut it off from the XMB - its the safest way to go. But if that yellow LED is even blinking then it means its doing something important, wait for it to stop.
Uncharted 2: Among Thieves
04/09/2009 / Now Playing... "Uncharted 2: Among Thieves"