Selecting a power plan ....................................................................................................................... 43
Running on battery power .................................................................................................................. 44
Conserving battery power .................................................................................................. 45
Using a USB device ........................................................................................................................... 51
Connecting a USB device .................................................................................................. 52
Removing a USB device .................................................................................................... 52
Using optical drives ............................................................................................................................ 54
Inserting an optical disc ..................................................................................................... 55
Removing an optical disc ................................................................................................... 55
8 Maintaining your computer .......................................................................................................................... 59
Improving performance ...................................................................................................................... 59
Handling drives .................................................................................................................. 60
Tray-load ........................................................................................................... 55
Tray-load ........................................................................................................... 55
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