Conserving battery power .................................................................................................. 37
Using a USB device ........................................................................................................................... 41
Connecting a USB device .................................................................................................. 41
Removing a USB device .................................................................................................... 42
Using optical drives ............................................................................................................................ 43
Inserting an optical disc ..................................................................................................... 44
Removing an optical disc ................................................................................................... 45
8 Maintaining your computer .......................................................................................................................... 48
Improving performance ...................................................................................................................... 48
Handling drives .................................................................................................................. 48
Replacing a hard drive ....................................................................................................... 48
Using Disk Defragmenter ................................................................................................... 51
Using Disk Cleanup ........................................................................................................... 51
Cleaning your computer ..................................................................................................................... 55
Using passwords ................................................................................................................................ 57
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