Conserving battery power .................................................................................................. 32
Using a USB device ........................................................................................................................... 37
Connecting a USB device .................................................................................................. 37
Removing a USB device .................................................................................................... 38
8 Maintaining your computer .......................................................................................................................... 41
Handling drives ................................................................................................................................... 41
Replacing a hard drive ....................................................................................................................... 41
Improving performance ...................................................................................................................... 44
Using Disk Defragmenter ................................................................................................... 44
Using Disk Cleanup ........................................................................................................... 44
Cleaning your computer ..................................................................................................................... 48
Using passwords ................................................................................................................................ 50
vii