Conserving battery power ................................................................................................................. 41
Identifying low battery levels ........................................................................................................... 41
Resolving a low battery level ............................................................................................................ 41
Resolving a low battery level when external power is available ................................... 41
Resolving a low battery level when no power source is available ................................. 42
Factory-sealed battery ...................................................................................................................... 42
Running on external power ................................................................................................................................. 42
7 Security ...................................................................................................................................................... 43
Protecting the computer ..................................................................................................................................... 43
Using passwords .................................................................................................................................................. 43
Setting passwords in Windows ......................................................................................................... 44
Setting passwords in Computer Setup ............................................................................................. 45
Managing a BIOS administrator password ........................................................................................ 45
Entering a BIOS administrator password ....................................................................... 46
Using antivirus software ...................................................................................................................................... 47
Using rewall software ........................................................................................................................................ 47
Using an optional security cable (select products only) ..................................................................................... 47
8 Maintenance ............................................................................................................................................... 48
Updating programs and drivers .......................................................................................................................... 48
Cleaning your computer ...................................................................................................................................... 48
Cleaning procedures .......................................................................................................................... 48
Cleaning the display ........................................................................................................ 49
Cleaning the sides or cover ............................................................................................. 49
Cleaning the TouchPad, keyboard, or mouse (select products only) ............................. 49
Traveling with or shipping your computer .......................................................................................................... 49
9 Backup and recovery information ................................................................................................................. 51
Using HP ThinUpdate ........................................................................................................................................... 51
10 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................ 52
Using Computer Setup ......................................................................................................................................... 52
Starting Computer Setup .................................................................................................................. 52
Navigating and selecting in Computer Setup ................................................................................... 52
Restoring factory settings in Computer Setup ................................................................................. 53
Updating the BIOS ............................................................................................................................. 54
Determining the BIOS version ......................................................................................... 54
Downloading a BIOS update ........................................................................................... 54
Changing the boot order using the f9 prompt .................................................................................. 55
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