HP EliteBook 2540p Notebook PC - Manual (Page 8)

Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 61
Calibrating a battery ........................................................................................................... 61
Step 1: Fully charge the battery ........................................................................ 61
Step 2: Disable Hibernation and Sleep ............................................................. 62
Step 3: Discharge the battery ............................................................................ 62
Step 4: Fully recharge the battery ..................................................................... 64
Step 5: Reenable Hibernation and Sleep .......................................................... 64
Conserving battery power .................................................................................................. 64
Storing a battery ................................................................................................................ 65
Disposing of a used battery ............................................................................................... 65
Testing an AC adapter ....................................................................................................................... 66
Shutting down the computer ............................................................................................................... 66
6 Drives
Identifying installed drives .................................................................................................................. 69
Handling drives ................................................................................................................................... 69
Improving hard drive performance ..................................................................................................... 70
Using Disk Defragmenter ................................................................................................... 70
Using Disk Cleanup ........................................................................................................... 70
Using HP 3D DriveGuard ................................................................................................................... 71
Identifying HP 3D DriveGuard status ................................................................................. 71
Using HP 3D DriveGuard software .................................................................................... 72
Using RAID (select models only) ........................................................................................................ 73
Replacing a hard drive ....................................................................................................................... 74
Replacing a 1.8-inch hard drive ......................................................................................... 74
Replacing a 2.5-inch hard drive ......................................................................................... 79
7 External devices
Using a USB device ........................................................................................................................... 86
Connecting a USB device .................................................................................................. 86
Removing a USB device .................................................................................................... 87
Using USB legacy support ................................................................................................. 87
Using a 1394 device ........................................................................................................................... 88
Connecting a 1394 device ................................................................................................. 88
Removing a 1394 device ................................................................................................... 88
Using the docking connector .............................................................................................................. 89
Using external drives .......................................................................................................................... 90
Using optional external devices ......................................................................................... 90
Using an optional external optical drive .............................................................................................. 91
Inserting an optical disc (CD or DVD) ................................................................................ 91
Removing an optical disc (CD or DVD) ............................................................................. 91
When the disc tray opens .................................................................................. 92
viii