Running on AC power ........................................................................................................................................... 37
Troubleshooting power problems ..................................................................................................... 38
Shutting down (turning o) the computer .......................................................................................................... 38
7 Managing power (products with user-replaceable batteries) ........................................................................... 40
Initiating and exiting Sleep and Hibernation ....................................................................................................... 40
Manually initiating and exiting Sleep ................................................................................................ 40
Manually initiating and exiting Hibernation (select products only) ................................................. 41
Setting password protection on wakeup (exiting Sleep or Hibernation) ......................................... 41
Using HP Fast Charge (select products only) ....................................................................................................... 41
Using the power meter and power settings ........................................................................................................ 42
Running on battery power ................................................................................................................................... 43
User-replaceable battery .................................................................................................................. 43
Finding battery information .............................................................................................................. 45
Conserving battery power ................................................................................................................. 45
Identifying low battery levels ........................................................................................................... 46
Resolving a low battery level ............................................................................................................ 46
Resolving a low battery level when external power is available ................................... 46
Resolving a low battery level when no power source is available ................................. 46
Resolving a low battery level when the computer cannot exit Hibernation .................. 46
Storing a user-replaceable battery ................................................................................................... 46
Disposing of a user-replaceable battery .......................................................................................... 47
Running on AC power ........................................................................................................................................... 47
Troubleshooting power problems ..................................................................................................... 48
Shutting down (turning o) the computer .......................................................................................................... 48
8 Maintaining your computer .......................................................................................................................... 50
Improving performance ....................................................................................................................................... 50
Using Disk Defragmenter .................................................................................................................. 50
Using Disk Cleanup ............................................................................................................................ 50
Using HP 3D DriveGuard (select products only) ................................................................................ 50
Identifying HP 3D DriveGuard status .............................................................................. 51
Updating programs and drivers .......................................................................................................................... 51
Cleaning your computer ...................................................................................................................................... 51
Cleaning procedures .......................................................................................................................... 51
Cleaning the display ........................................................................................................ 52
Cleaning the sides or cover ............................................................................................. 52
Cleaning the TouchPad, keyboard, or mouse (select products only) ............................. 52
Traveling with or shipping your computer .......................................................................................................... 52
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