Resolving a low battery level when no power source is available
.................................
30
Resolving a low battery level when the computer cannot exit Hibernation
..................
30
Factory-sealed battery
......................................................................................................................
30
Running on external power
.................................................................................................................................
30
7
Security
......................................................................................................................................................
31
Protecting the computer
.....................................................................................................................................
31
Using passwords
..................................................................................................................................................
31
Factory-sealed battery
......................................................................................................................
32
Setting passwords in Windows
.........................................................................................................
32
Setting passwords in Computer Setup
.............................................................................................
32
Managing a BIOS administrator password
........................................................................................
32
Setting a new BIOS administrator password
..................................................................
32
Changing a BIOS administrator password
......................................................................
33
Deleting a BIOS administrator password
........................................................................
33
Entering a BIOS administrator password
.......................................................................
34
Windows Hello
.....................................................................................................................................................
34
Using antivirus software
......................................................................................................................................
34
Using firewall software
........................................................................................................................................
34
Installing software updates
.................................................................................................................................
35
8
Maintenance
...............................................................................................................................................
36
Improving performance
.......................................................................................................................................
36
Using Disk Defragmenter
..................................................................................................................
36
Using Disk Cleanup
............................................................................................................................
36
Updating programs and drivers
..........................................................................................................................
36
Cleaning your computer
......................................................................................................................................
36
Removing dirt and debris from your computer
................................................................................
37
Cleaning your computer with a disinfectant
.....................................................................................
37
Traveling with or shipping your computer
..........................................................................................................
38
9
Backing up, restoring, and recovering
...........................................................................................................
40
Backing up information and creating recovery media
........................................................................................
40
Using Windows tools for backing up
.................................................................................................
40
Restoring and recovering your system
...............................................................................................................
40
Creating a system restore
.................................................................................................................
40
Restoring and recovery methods
......................................................................................................
40
10
Computer Setup (BIOS)
...............................................................................................................................
41
Using Computer Setup
.........................................................................................................................................
41
vii