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

vii