User Manual
Page 29
...apple.com/batteries/notebooks.html. Chapter 2 Life with a fully charged battery (see page 42). If no lights are currently using. Plug in use, and adjust your Energy Saver settings. For more information about battery conservation and performance tips, go to let the battery recharge, or replace the drained battery with Your MacBook Pro... 29 Important: If only one indicator light is on , the battery is completely drained and the MacBook Pro won't start up unless the power adapter is connected.
...apple.com/batteries/notebooks.html. Chapter 2 Life with a fully charged battery (see page 42). If no lights are currently using. Plug in use, and adjust your Energy Saver settings. For more information about battery conservation and performance tips, go to let the battery recharge, or replace the drained battery with Your MacBook Pro... 29 Important: If only one indicator light is on , the battery is completely drained and the MacBook Pro won't start up unless the power adapter is connected.