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 .......................................................................................................................... 47
Cleaning your computer ...................................................................................................................................... 48
Cleaning procedures ......................................................................................................................... 48
Cleaning the display (All-in-Ones or Notebooks) ........................................................... 48
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 HP Touchpoint Manager (select models only) .......................................................................................... 54
Using an optional security cable lock .................................................................................................................. 55
9 Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI) ................................................................... 56
Starting Setup Utility (BIOS) ................................................................................................................................ 56
Updating the BIOS ................................................................................................................................................ 56
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