Setting password protection on wakeup ............................................................................ 37
Using the power meter and power settings ........................................................................................ 38
Selecting a power plan ....................................................................................................................... 38
Running on battery power .................................................................................................................. 38
Removing a user-replaceable battery ................................................................................ 39
Finding battery information ................................................................................................ 39
Conserving battery power .................................................................................................. 39
Identifying low battery levels .............................................................................................. 40
Resolving a low battery level ............................................................................................. 40
Resolving a low battery level when external power is available ........................ 40
Resolving a low battery level when no power source is available ..................... 40
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 ................................................................................ 41
Running on external AC power .......................................................................................................... 41
Troubleshooting power problems ...................................................................................... 41
HP CoolSense .................................................................................................................................... 42
Shutting down (turning off) the computer ........................................................................................... 42
7 Managing and sharing information ............................................................................................................. 44
Using a USB device ........................................................................................................................... 44
Connecting a USB device .................................................................................................. 45
Removing a USB device .................................................................................................... 45
Connecting a powered USB device ................................................................................... 45
Inserting and removing a digital storage card .................................................................................... 46
Using optical drives ............................................................................................................................ 46
Inserting an optical disc ..................................................................................................... 48
Removing an optical disc ................................................................................................... 49
Sharing data and drives and accessing software .............................................................. 49
8 Maintaining your computer .......................................................................................................................... 51
Improving performance ...................................................................................................................... 51
Handling drives .................................................................................................................. 51
Replacing a hard drive ....................................................................................................... 51
Using HP 3D DriveGuard ................................................................................................... 53
Using Disk Defragmenter ................................................................................................... 54
Using Disk Cleanup ........................................................................................................... 54
Adding or replacing memory modules ............................................................................... 54
Updating programs and drivers .......................................................................................................... 57
Cleaning your computer ..................................................................................................................... 58
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