Stop an audio CD or a DVD (fn+f10) ..................................................................

21

Play previous track or section of an audio CD or a DVD (fn+f11) ......................

21

Play next track or section of an audio CD or a DVD (fn+f12) .............................

21

Keypads ................................................................................................................................................

22

Using the embedded numeric keypad .................................................................................

22

Enabling and disabling the embedded numeric keypad......................................

22

Switching key functions on the embedded numeric keypad................................

23

Using an external numeric keypad ......................................................................................

23

Enabling or disabling num lock mode as you work .............................................

23

3 Power

 

Power control and light locations ..........................................................................................................

25

Power sources ......................................................................................................................................

27

Connecting the AC adapter..................................................................................................

28

Standby and hibernation........................................................................................................................

29

Standby ................................................................................................................................

29

Hibernation ...........................................................................................................................

29

Initiating standby, hibernation or shutdown..........................................................................

30

When you leave your work...................................................................................

30

When a reliable power supply is unavailable ......................................................

30

When using wireless communication or readable or writable media (select

 

models only).........................................................................................................

31

Default power settings ..........................................................................................................................

32

Turning the computer or display on or off ............................................................................

32

Using emergency shutdown procedures .............................................................................

32

Initiating or resuming from standby .....................................................................................

33

Initiating or restoring from hibernation .................................................................................

34

Power options .......................................................................................................................................

35

Accessing Power Options Properties...................................................................................

35

Displaying the Power Meter icon .........................................................................................

35

Setting or changing a power scheme ..................................................................................

36

Setting a security prompt .....................................................................................................

36

Processor performance controls ..........................................................................................................

37

Battery packs.........................................................................................................................................

38

Inserting or removing a battery pack....................................................................................

38

Charging a battery pack........................................................................................................

39

Monitoring the charge of the battery pack ..........................................................

40

Obtaining accurate charge information ..............................................

40

Displaying charge information on the screen......................................

40

Viewing charge displays.....................................................

40

Interpreting charge indicators.............................................

40

Managing low-battery conditions .........................................................................................

41

Identifying low-battery conditions.........................................................................

41

Low-battery condition..........................................................................

41

Critical low-battery condition ..............................................................

41

Resolving low-battery conditions.........................................................................

42

When external power is available.......................................................

42

When a charged battery pack is available..........................................

42

When no power source is available....................................................

42

When the computer cannot restore from hibernation..........................

42

iv

ENWW