6 Managing power ............................................................................................................................................ 42
Selecting a power plan ....................................................................................................................... 46
Running on battery power .................................................................................................................. 47
Factory-sealed battery ....................................................................................................... 47
Conserving battery power .................................................................................................. 48
Using a USB device ........................................................................................................................... 55
Connecting a USB device .................................................................................................. 55
Removing a USB device .................................................................................................... 56
Using optical drives ............................................................................................................................ 58
Inserting an optical disc ..................................................................................................... 59
Removing an optical disc ................................................................................................... 60
vii