HP CQ45-800 User Manual page 7

Removing a user-replaceable battery ................................................................................ 36
Finding battery information ................................................................................................ 37
Conserving battery power .................................................................................................. 37
Identifying low battery levels .............................................................................................. 37
Resolving a low battery level ............................................................................................. 38
Storing a user-replaceable battery ..................................................................................... 38
Disposing of a user-replaceable battery ............................................................................ 38
Replacing a user-replaceable battery ................................................................................ 38
Running on external AC power .......................................................................................................... 39
Troubleshooting an AC adapter ......................................................................................................... 39
Shutting down (turning off) the computer ........................................................................................... 40
7 Managing and sharing information ............................................................................................................. 41
Using a USB device ........................................................................................................................... 41
Connecting a USB device .................................................................................................. 41
Removing a 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
Using Disk Defragmenter ................................................................................................... 51
Using Disk Cleanup ........................................................................................................... 51
Adding or replacing memory modules ............................................................................... 52
Updating programs and drivers .......................................................................................................... 54
Cleaning your computer ..................................................................................................................... 55
Cleaning the display, sides, and cover .............................................................................. 55
Cleaning the TouchPad and keyboard .............................................................................. 55
Traveling with or shipping your computer ........................................................................................... 55
9 Securing your computer and information .................................................................................................. 57
Using passwords ................................................................................................................................ 57
Resolving a low battery level when external power is available ........................ 38
Resolving a low battery level when no power source is available ..................... 38
Resolving a low battery level when the computer cannot exit Hibernation ....... 38
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