Using the hot keys ............................................................................................. 40
Using the integrated numeric keypad ................................................................................ 40
6 Managing power ............................................................................................................................................. 41
Initiating Sleep and Hibernation ......................................................................................................... 41
Manually initiating and exiting Sleep .................................................................................. 42
Manually initiating and exiting Hibernation (select models only) ....................................... 42
Setting password protection on wakeup ............................................................................ 42
Using the power meter and power settings ........................................................................................ 43
Running on battery power .................................................................................................................. 43
Removing a user-replaceable battery ................................................................................ 43
Finding battery information ................................................................................................ 44
Conserving battery power .................................................................................................. 44
Identifying low battery levels .............................................................................................. 44
Resolving a low battery level ............................................................................................. 45
Resolving a low battery level when external power is available ........................ 45
Resolving a low battery level when no power source is available ..................... 45
Resolving a low battery level when the computer cannot exit Hibernation ....... 45
Storing a user-replaceable battery ..................................................................................... 45
Disposing of a user-replaceable battery ............................................................................ 45
Replacing a user-replaceable battery ................................................................................ 45
Running on external AC power .......................................................................................................... 46
Troubleshooting power problems ...................................................................................... 46
HP CoolSense (select models only) ................................................................................................... 47
Refreshing your software content with Intel Smart Connect Technology (select models only) .......... 47
Shutting down (turning off) the computer ........................................................................................... 47
Hybrid Graphics and AMD Dual Graphics (select models only) ......................................................... 48
Using Hybrid Graphics (select models only) ...................................................................... 48
Using AMD Dual Graphics (select models only) ................................................................ 49
7 Maintaining your computer .............................................................................................................................. 50
Improving performance ...................................................................................................................... 50
Handling drives .................................................................................................................. 50
Using HP 3D DriveGuard (select models only) .................................................................. 50
Identifying HP 3D DriveGuard status ................................................................ 51
Using Disk Defragmenter ................................................................................................... 51
Using Disk Cleanup ........................................................................................................... 51
Updating programs and drivers .......................................................................................................... 52
Cleaning your computer ..................................................................................................................... 52
Cleaning procedures ...........................................
............................................................... 52
Cleaning the display (All-in-Ones or Notebooks) .............................................. 52
ix