Using the power meter and power settings ........................................................................................ 37
Running on battery power .................................................................................................................. 37
Removing a user-replaceable battery ................................................................................ 37
Finding battery information ................................................................................................ 38
Conserving battery power .................................................................................................. 38
Identifying low battery levels .............................................................................................. 38
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 ....... 39
Storing a user-replaceable battery ..................................................................................... 39
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
Refreshing your software content with Intel Smart Connect Technology (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 .................................................................................................. 44
Removing a USB device .................................................................................................... 44
Inserting and removing a digital storage card .................................................................................... 45
Using optical drives ............................................................................................................................ 46
Inserting an optical disc ..................................................................................................... 47
Tray-load ........................................................................................................... 47
Removing an optical disc ................................................................................................... 47
Tray-load ........................................................................................................... 47
When the disc tray opens normally .................................................. 47
When the disc tray fails to open normally ......................................... 48
Sharing data and drives and accessing software .............................................................. 49
8 Maintaining your computer .......................................................................................................................... 51
Improving performance ...................................................................................................................... 51
Handling drives .................................................................................................................. 51
Replacing a hard drive ....................................................................................................... 52
Using HP 3D DriveGuard (select models only) .................................................................. 54
Using Disk Defragmenter ................................................................................................... 54
Using Disk Cleanup ........................................................................................................... 55
Adding or replacing memory modules ............................................................................... 55
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