9 Security ........................................................................................................................................................... 49
Protecting the computer ..................................................................................................................... 49
Using passwords ................................................................................................................................ 49
Using antivirus software ..................................................................................................................... 56
Using firewall software ....................................................................................................................... 56
10 Maintenance ................................................................................................................................................. 58
Cleaning your computer ..................................................................................................................... 58
11 Backup and recovery .................................................................................................................................... 60
Performing a system recovery ............................................................................................................ 62
viii
Cleaning procedures .......................................................................................................... 58
Guidelines .......................................................................................................................... 60