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Using the hot keys ............................................................................................. 38
6 Managing power ............................................................................................................................................ 39
Initiating Sleep and Hibernation ......................................................................................................... 39
Manually initiating and exiting Sleep .................................................................................. 39
Manually initiating and exiting Hibernation (select models only) ....................................... 40
Setting password protection on wakeup ............................................................................ 40
Using the power meter and power settings ........................................................................................ 40
Running on battery power .................................................................................................................. 40
Removing a user-replaceable battery ................................................................................ 41
Finding battery information ................................................................................................ 41
Conserving battery power .................................................................................................. 42
Identifying low battery levels .............................................................................................. 42
Resolving a low battery level ............................................................................................. 42
Resolving a low battery level when external power is available ........................ 42
Resolving a low battery level when no power source is available ..................... 42
Resolving a low battery level when the computer cannot exit Hibernation ....... 43
Storing a user-replaceable battery ..................................................................................... 43
Disposing of a user-replaceable battery ............................................................................ 43
Replacing a user-replaceable battery ................................................................................ 43
Running on external AC power .......................................................................................................... 43
Troubleshooting power problems ...................................................................................... 44
HP CoolSense (select models only) ................................................................................................... 44
Shutting down (turning off) the computer ........................................................................................... 45
7 Managing and sharing information ............................................................................................................. 46
Using a USB device ........................................................................................................................... 46
Connecting a USB device .................................................................................................. 46
Removing a USB device .................................................................................................... 47
Inserting and removing a memory card .............................................................................................. 47
8 Maintaining your computer .......................................................................................................................... 49
Improving performance ...................................................................................................................... 49
Handling drives .................................................................................................................. 49
Replacing a hard drive ....................................................................................................... 49
Using HP 3D DriveGuard (select models only) .................................................................. 52
Identifying HP 3D DriveGuard status ................................................................ 52
Using Disk Defragmenter ................................................................................................... 53
Using Disk Cleanup ........................................................................................................... 53
Adding or replacing memory modules ............................................................................... 53
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