6 Managing power ............................................................................................................................................ 36
Running on battery power .................................................................................................................. 37
Conserving battery power .................................................................................................. 39
Using a USB device ........................................................................................................................... 43
Connecting a USB device .................................................................................................. 43
Removing a USB device .................................................................................................... 44
Using optical drives ............................................................................................................................ 45
8 Maintaining your computer .......................................................................................................................... 48
Improving performance ...................................................................................................................... 48
Handling drives .................................................................................................................. 48
Using Disk Defragmenter ................................................................................................... 49
Using Disk Cleanup ........................................................................................................... 49
Cleaning your computer ..................................................................................................................... 50
Cleaning procedures .......................................................................................................... 50
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