6 Managing power ............................................................................................................................................ 36
Initiating Sleep and Hibernation ......................................................................................................... 36
Manually initiating and exiting Sleep .................................................................................. 36
Manually initiating and exiting Hibernation (select models only) ....................................... 37
Setting password protection on wakeup ............................................................................ 37
Using the power meter and power settings ........................................................................................ 37
Running on battery power .................................................................................................................. 37
Removing a user-replaceable battery ................................................................................ 38
Finding battery information ................................................................................................ 38
Conserving battery power .................................................................................................. 39
Identifying low battery levels .............................................................................................. 39
Resolving a low battery level ............................................................................................. 39
Resolving a low battery level when external power is available ........................ 39
Resolving a low battery level when no power source is available ..................... 39
Resolving a low battery level when the computer cannot exit Hibernation ....... 40
Storing a user-replaceable battery ..................................................................................... 40
Disposing of a user-replaceable battery ............................................................................ 40
Replacing a user-replaceable battery ................................................................................ 40
Running on external AC power .......................................................................................................... 40
Troubleshooting power problems ...................................................................................... 41
HP CoolSense (select models only) ................................................................................................... 41
Shutting down (turning off) the computer ........................................................................................... 42
7 Managing and sharing information ............................................................................................................. 43
Using a USB device ........................................................................................................................... 43
Connecting a USB device .................................................................................................. 43
Removing a USB device .................................................................................................... 44
Inserting and removing a memory card .............................................................................................. 44
Using optical drives ............................................................................................................................ 45
Sharing data and drives and accessing software .............................................................. 46
8 Maintaining your computer .......................................................................................................................... 48
Improving performance ...................................................................................................................... 48
Handling drives .................................................................................................................. 48
Using HP 3D DriveGuard (select models only) .................................................................. 48
Using Disk Defragmenter ................................................................................................... 49
Using Disk Cleanup ........................................................................................................... 49
Updating programs and drivers .......................................................................................................... 49
Cleaning your computer ..................................................................................................................... 50
Cleaning procedures .......................................................................................................... 50
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