HP Compaq Presario CQ42-152TU Notebook PC - Manual (Page 8)

Using Battery Check .......................................................................................................... 64
Inserting or removing the battery ....................................................................................... 64
Charging a battery ............................................................................................................. 65
Maximizing battery discharge time .................................................................................... 66
Managing low battery levels .............................................................................................. 66
Identifying low battery levels ............................................................................. 66
Resolving a low battery level ............................................................................. 67
Resolving a low battery level when external power is available ....... 67
Resolving a low battery level when a charged battery is
available ........................................................................................... 67
Resolving a low battery level when no power source is
available ........................................................................................... 67
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 67
Calibrating a battery ........................................................................................................... 67
Step 1: Fully charge the battery ........................................................................ 67
Step 2: Disable Hibernation and Sleep ............................................................. 68
Step 3: Discharge the battery ............................................................................ 68
Step 4: Fully recharge the battery ..................................................................... 69
Step 5: Reenable Hibernation and Sleep .......................................................... 69
Conserving battery power .................................................................................................. 69
Storing a battery ................................................................................................................ 69
Disposing of a used battery ............................................................................................... 70
Replacing the battery ......................................................................................................... 70
Shutting down the computer ............................................................................................................... 70
6 Drives ............................................................................................................................................................. 72
Handling drives ................................................................................................................................... 72
Using external drives .......................................................................................................................... 73
Improving hard drive performance ..................................................................................................... 74
Using Disk Defragmenter ................................................................................................... 74
Using Disk Cleanup ........................................................................................................... 74
Replacing the hard drive .................................................................................................................... 75
7 External devices and external media cards ............................................................................................... 79
Using a USB device ........................................................................................................................... 79
Connecting a USB device .................................................................................................. 79
Removing a USB device .................................................................................................... 80
Using Digital Media Slot cards ........................................................................................................... 81
Inserting a digital card ........................................................................................................ 81
Removing a digital card ..................................................................................................... 82
8 Memory modules .......................................................................................................................................... 83
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