beautypg.com

HP Compaq Presario CQ42-152TU Notebook PC User Manual

Page 8

background image

Using Battery Check .......................................................................................................... 65
Inserting or removing the battery ....................................................................................... 65
Charging a battery ............................................................................................................. 66
Maximizing battery discharge time .................................................................................... 67
Managing low battery levels .............................................................................................. 67

Identifying low battery levels ............................................................................. 67
Resolving a low battery level ............................................................................. 68

Resolving a low battery level when external power is available ....... 68
Resolving a low battery level when a charged battery is
available ........................................................................................... 68
Resolving a low battery level when no power source is
available ........................................................................................... 68
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 68

Calibrating a battery ........................................................................................................... 68

Step 1: Fully charge the battery ........................................................................ 68
Step 2: Disable Hibernation and Sleep ............................................................. 69
Step 3: Discharge the battery ............................................................................ 69
Step 4: Fully recharge the battery ..................................................................... 70
Step 5: Reenable Hibernation and Sleep .......................................................... 70

Conserving battery power .................................................................................................. 70
Storing a battery ................................................................................................................ 70
Disposing of a used battery ............................................................................................... 71
Replacing the battery ......................................................................................................... 71

Shutting down the computer ............................................................................................................... 71

6 Drives ............................................................................................................................................................. 73

Handling drives ................................................................................................................................... 73
Using external drives .......................................................................................................................... 74
Improving hard drive performance ..................................................................................................... 75

Using Disk Defragmenter ................................................................................................... 75
Using Disk Cleanup ........................................................................................................... 75

Replacing the hard drive .................................................................................................................... 76

7 External devices and external media cards ............................................................................................... 80

Using a USB device ........................................................................................................................... 80

Connecting a USB device .................................................................................................. 80
Removing a USB device .................................................................................................... 81

Using Digital Media Slot cards ........................................................................................................... 82

Inserting a digital card ........................................................................................................ 82
Removing a digital card ..................................................................................................... 83

8 Memory modules .......................................................................................................................................... 84

viii