Running on battery power .................................................................................................................. 41
Removing a user-replaceable battery ................................................................................ 41
Finding battery information ................................................................................................ 41
Conserving battery power .................................................................................................. 42
Identifying low battery levels .............................................................................................. 42
Storing a user-replaceable battery ..................................................................................... 42
Disposing of a user-replaceable battery ............................................................................ 43
Replacing a user-replaceable battery ................................................................................ 43
Running on external power ................................................................................................................ 44
HP CoolSense .................................................................................................................................... 45
Shutting down the computer ............................................................................................................... 45
7 Managing and sharing information ............................................................................................................. 46
Using a USB device ........................................................................................................................... 46
Connecting a USB device .................................................................................................. 46
Removing a USB device .................................................................................................... 47
Connecting a powered USB device ................................................................................... 47
Inserting and removing a digital storage card .................................................................................... 48
Using optical drives ............................................................................................................................ 49
Inserting an optical disc ..................................................................................................... 50
Removing an optical disc ................................................................................................... 50
Sharing drives on the network ........................................................................................... 51
8 Maintaining your computer .......................................................................................................................... 52
Improving performance ...................................................................................................................... 52
Handling drives .................................................................................................................. 52
Replacing a hard drive ....................................................................................................... 53
Using HP 3D DriveGuard (select models only) .................................................................. 55
Using Disk Defragmenter ................................................................................................... 55
Using Disk Cleanup ........................................................................................................... 55
Adding or replacing memory modules ............................................................................... 56
Updating programs and drivers .......................................................................................................... 60
Cleaning your computer ..................................................................................................................... 61
Cleaning the display, sides, and cover .............................................................................. 61
Cleaning the TouchPad and keyboard .............................................................................. 61
Traveling with or shipping your computer ........................................................................................... 62
9 Securing your computer and information .................................................................................................. 63
Locating your security software .......................................................................................................... 63
Using passwords ................................................................................................................................ 64
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