User-replaceable battery
...................................................................................................
36
Finding battery information
................................................................................................
36
Conserving battery power
..................................................................................................
37
Identifying low battery levels
..............................................................................................
37
Resolving a low battery level
.............................................................................................
37
Resolving a low battery level when external power is available
........................
37
Resolving a low battery level when no power source is available
.....................
37
Resolving a low battery level when the computer cannot exit Hibernation
.......
38
Storing a user-replaceable battery
.....................................................................................
38
Disposing of a user-replaceable battery
............................................................................
38
Replacing a user-replaceable battery
................................................................................
38
Running on external AC power
..........................................................................................................
38
Troubleshooting power problems
......................................................................................
39
Shutting down (turning off) the computer
...........................................................................................
39
7
Maintaining your computer
..............................................................................................................................
41
Improving performance
......................................................................................................................
41
Using Disk Defragmenter
...................................................................................................
41
Using Disk Cleanup
...........................................................................................................
41
Adding or replacing memory modules
...............................................................................
41
Updating programs and drivers
..........................................................................................................
45
Cleaning your computer
.....................................................................................................................
45
Cleaning procedures
..........................................................................................................
46
Cleaning the display (All-in-Ones or Notebooks)
..............................................
46
Cleaning the sides or cover
...............................................................................
46
Cleaning the TouchPad, keyboard, or mouse
...................................................
46
Traveling with or shipping your computer
...........................................................................................
47
8
Securing your computer and information
........................................................................................................
48
Using passwords
................................................................................................................................
48
Setting Windows passwords
..............................................................................................
49
Setting Setup Utility (BIOS) passwords
.............................................................................
49
Using Internet security software
.........................................................................................................
49
Using antivirus software
.....................................................................................................
50
Using firewall software
.......................................................................................................
50
Installing software updates
.................................................................................................................
50
Installing critical security updates
......................................................................................
50
Installing HP and third-party software updates
..................................................................
50
Securing your wireless network
..........................................................................................................
51
Backing up your software applications and information
.....................................................................
51
Using an optional security cable lock
.................................................................................................
51
ix