Conserving battery power .................................................................................................. 39
Running on external power ................................................................................................................ 41
Shutting down the computer ............................................................................................................... 42
Using a USB device ........................................................................................................................... 43
Connecting a USB device .................................................................................................. 44
Removing a USB device .................................................................................................... 44
Using optical drives ............................................................................................................................ 46
Inserting an optical disc ..................................................................................................... 47
Removing an optical disc ................................................................................................... 48
8 Maintaining your computer .......................................................................................................................... 50
Improving performance ...................................................................................................................... 50
Handling drives .................................................................................................................. 50
Replacing a hard drive ....................................................................................................... 51
Using Disk Defragmenter ................................................................................................... 54
Using Disk Cleanup ........................................................................................................... 54
Cleaning your computer ..................................................................................................................... 58
Using passwords ................................................................................................................................ 61
Using antivirus software ..................................................................................................... 63
Using firewall software ....................................................................................................... 63
Installing software updates ................................................................................................................. 64
Meijer.com
vii