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Using the power meter and power settings ........................................................................................ 34
Selecting a power plan ....................................................................................................................... 35
Running on battery power .................................................................................................................. 35
Factory-sealed battery ....................................................................................................... 35
Removing a user-replaceable battery ................................................................................ 35
Finding battery information ................................................................................................ 36
Conserving battery power .................................................................................................. 36
Identifying low battery levels .............................................................................................. 37
Resolving a low battery level ............................................................................................. 37
Resolving a low battery level when external power is available ........................ 37
Resolving a low battery level when no power source is available ..................... 37
Resolving a low battery level when the computer cannot exit Hibernation ....... 37
Storing a user-replaceable battery ..................................................................................... 37
Disposing of a user-replaceable battery ............................................................................ 38
Replacing a user-replaceable battery ................................................................................ 38
Running on external AC power .......................................................................................................... 38
Troubleshooting an AC adapter ......................................................................................................... 39
HP CoolSense (select models only) ................................................................................................... 39
Shutting down (turning off) the computer ........................................................................................... 39
7 Managing and sharing information ............................................................................................................. 41
Using a USB device ........................................................................................................................... 41
Connecting a USB device .................................................................................................. 41
Removing a USB device .................................................................................................... 42
Connecting a powered USB device ................................................................................... 42
Inserting and removing a digital storage card .................................................................................... 42
Using optical drives ............................................................................................................................ 43
Inserting an optical disc ..................................................................................................... 44
Removing an optical disc ................................................................................................... 45
Sharing data and drives and accessing software .............................................................. 46
8 Maintaining your computer .......................................................................................................................... 48
Improving performance ...................................................................................................................... 48
Handling drives .................................................................................................................. 48
Replacing a hard drive ....................................................................................................... 48
Removing the hard drive ................................................................................... 49
Installing a hard drive ........................................................................................ 50
Using HP 3D DriveGuard (select models only) .................................................................. 52
Using Disk Defragmenter ................................................................................................... 52
Using Disk Cleanup ........................................................................................................... 52
Adding or replacing memory modules ............................................................................... 53
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