Finding battery information ................................................................................................ 42
Conserving battery power .................................................................................................. 43
Identifying low battery levels .............................................................................................. 43
Resolving a low battery level ............................................................................................. 43
Resolving a low battery level when external power is available ........................ 43
Resolving a low battery level when no power source is available ..................... 43
Resolving a low battery level when the computer cannot exit Hibernation ....... 43
Running on external AC power .......................................................................................................... 44
Troubleshooting power problems ...................................................................................... 45
Shutting down (turning off) the computer ........................................................................................... 46
7 Maintaining your computer .............................................................................................................................. 47
Improving performance ...................................................................................................................... 47
Handling drives .................................................................................................................. 47
Using Disk Cleanup ........................................................................................................... 47
Updating programs and drivers .......................................................................................................... 48
Cleaning your computer ..................................................................................................................... 48
Cleaning procedures .......................................................................................................... 48
Cleaning the display (All-in-Ones or Notebooks) .............................................. 49
Cleaning the sides or cover ............................................................................... 49
Cleaning the TouchPad, keyboard, or mouse ................................................... 49
Traveling with or shipping your computer ........................................................................................... 50
8 Securing your computer and information ........................................................................................................ 51
Using passwords ................................................................................................................................ 51
Setting Windows passwords .............................................................................................. 52
Setting Setup Utility (BIOS) passwords ............................................................................. 52
Using Internet security software ......................................................................................................... 53
Using antivirus software ..................................................................................................... 53
Using firewall software ....................................................................................................... 53
Installing software updates ................................................................................................................. 53
Installing critical security updates ...................................................................................... 53
Installing HP and third-party software updates .................................................................. 54
Securing your wireless network .......................................................................................................... 54
Backing up your software applications and information ..................................................................... 54
Using an optional security cable lock ................................................................................................. 55
9 Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (U
EFI) ............................................................ 56
Starting Setup Utility (BIOS) ............................................................................................................... 56
Updating the BIOS ............................................................................................................................. 56
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