Manual HP ProBook 4720s (page 6 of 105) (English)

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Audio .................................................................................................................................................. 15

Adjusting the volume ......................................................................................................... 16

Checking audio functions on the computer ........................................................................ 16

Webcam (select models only) ............................................................................................................ 18

Video .................................................................................................................................................. 19

VGA ................................................................................................................................... 19

HDMI .................................................................................................................................. 20

Configuring audio for HDMI ............................................................................... 20

Intel Wireless Display (select models only) ....................................................... 21

4 Power management ...................................................................................................................................... 22

Shutting down the computer ............................................................................................................... 22

Setting power options ......................................................................................................................... 23

Using power-saving states ................................................................................................. 23

Initiating and exiting Sleep ................................................................................ 23

Initiating and exiting Hibernation ....................................................................... 23

Using the power meter ....................................................................................................... 24

Using power plans ............................................................................................................. 24

Viewing the current power plan ......................................................................... 24

Selecting a different power plan ........................................................................ 24

Customizing power plans .................................................................................. 25

Setting password protection on wakeup ............................................................................ 25

Using Power Assistant (select models only) ...................................................................................... 27

Using battery power ........................................................................................................................... 27

Finding additional battery information ................................................................................ 27

Using Battery Check .......................................................................................................... 28

Displaying the remaining battery charge ........................................................................... 28

Maximizing battery discharge time .................................................................................... 28

Managing low battery levels .............................................................................................. 28

Identifying low battery levels ............................................................................. 28

Resolving a low battery level ............................................................................. 29

Resolving a low battery level when external power is available ....... 29

Resolving a low battery level when a charged battery is available ... 29

Resolving a low battery level when no power source is available .... 29

Resolving a low battery level when the computer cannot exit

Hibernation ....................................................................................... 29

Conserving battery power .................................................................................................. 29

Storing a battery ................................................................................................................ 30

Disposing of a used battery ............................................................................................... 30

Replacing the battery ......................................................................................................... 30

Using external AC power .................................................................................................................... 30

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Others manual(s) of HP ProBook 4720s

HP ProBook 4720s User Manual - German - 116 pages

HP ProBook 4720s User Manual - Dutch - 114 pages

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HP ProBook 4720s Manual

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