HP Notebook PC User Manual page 9

6 Managing power ............................................................................................................................................. 42
Initiating Sleep and Hibernation ......................................................................................................... 42
Manually initiating and exiting Sleep .................................................................................. 43
Manually initiating and exiting Hibernation (select models only) ....................................... 43
Setting password protection on wakeup ............................................................................ 43
Using the power meter and power settings ........................................................................................ 44
Running on battery power .................................................................................................................. 44
User-replaceable battery ................................................................................................... 44
Finding battery information ................................................................................................ 45
Conserving battery power .................................................................................................. 45
Identifying low battery levels .............................................................................................. 45
Resolving a low battery level ............................................................................................. 46
Storing a user-replaceable battery ..................................................................................... 46
Disposing of a user-replaceable battery ............................................................................ 46
Replacing a user-replaceable battery ................................................................................ 47
Running on external AC power .......................................................................................................... 47
Troubleshooting power problems ...................................................................................... 47
HP CoolSense .................................................................................................................................... 48
Refreshing your software content with Intel Smart Connect Technology (select models only) .......... 48
Shutting down (turning off) the computer ........................................................................................... 48
Hybrid Graphics and AMD Dual Graphics (select models only) ......................................................... 49
Using Hybrid Graphics (select models only) ...................................................................... 49
Using AMD Dual Graphics (select models only) ................................................................ 50
7 Maintaining your computer .............................................................................................................................. 51
Improving performance ...................................................................................................................... 51
Handling drives .................................................................................................................. 51
Using HP 3D DriveGuard (select models only) .................................................................. 51
Using Disk Defragmenter ................................................................................................... 52
Using Disk Cleanup ........................................................................................................... 52
Adding or replacing memory modules ............................................................................... 52
Updating programs and drivers .......................................................................................................... 55
Cleaning your computer ..................................................................................................................... 55
Using the action keys ........................................................................................ 39
Using Windows shortcut keys ........................................................................... 40
Using the hot keys ............................................................................................. 40
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
Identifying HP 3D DriveGuard status ................................................................ 52
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