HP ProBook 630 User Guide - Page 24

Action keys

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Table 2-7 Special keys and their descriptions (continued) Component Description (4) Windows key Opens the Start menu. NOTE: Pressing the Windows key again will close the Start menu. (5) Windows application key (select products only) Displays options for a selected object. (6) Power button (7) num lk key (8) Integrated numeric keypad ● When the computer is off, press the button briefly to turn on the computer. ● When the computer is on, press the button briefly to initiate Sleep. ● When the computer is in the Sleep state, press the button briefly to exit Sleep (select products only). ● When the computer is in Hibernation, press the button briefly to exit Hibernation. IMPORTANT: Pressing and holding down the power button results in the loss of unsaved information. If the computer has stopped responding and shutdown procedures are ineffective, press and hold the power button for at least 4 seconds to turn off the computer. To learn more about your power settings, see your power options. ▲ Right-click the Power meter icon and then select Power Options. Alternates between the navigational and numeric functions on the integrated numeric keypad. A separate keypad to the right of the alphabet keyboard. When num lk is pressed, the integrated keypad can be used like an external numeric keypad. NOTE: If the keypad function is active when the computer is turned off, that function is reinstated when the computer is turned back on. Action keys Action keys perform specific functions and vary by computer. To determine which keys are on your computer, look at the icons on your keyboard and match them to the descriptions in this table. ▲ To use an action key, press and hold the key. NOTE: On some products, you must press the fn key in combination with the action key. Table 2-8 Action keys and their descriptions Icon Description Switches the screen image among display devices connected to the system. For example, if a monitor is connected to the computer, repeatedly pressing the key alternates the screen image from computer display to monitor display to simultaneous display on both the computer and the monitor. 12 Chapter 2 Components

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Table 2-7
Special keys and their descriptions (continued)
Component
Description
(4)
Windows key
Opens the Start menu.
NOTE:
Pressing the Windows key again will close the Start
menu.
(5)
Windows application key (select products only)
Displays options for a selected object.
(6)
Power button
●
When the computer is
off,
press the button
briefly
to turn
on the computer.
●
When the computer is on, press the button
briefly
to
initiate Sleep.
●
When the computer is in the Sleep state, press the button
briefly
to exit Sleep (select products only).
●
When the computer is in Hibernation, press the button
briefly
to exit Hibernation.
IMPORTANT:
Pressing and holding down the power button
results in the loss of unsaved information.
If the computer has stopped responding and shutdown
procedures are
ineffective,
press and hold the power button for
at least 4 seconds to turn
off
the computer.
To learn more about your power settings, see your power
options.
▲
Right-click the
Power meter
icon
and then select
Power Options
.
(7)
num lk
key
Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(8)
Integrated numeric keypad
A separate keypad to the right of the alphabet keyboard. When
num lk
is pressed, the integrated keypad can be used like an
external numeric keypad.
NOTE:
If the keypad function is active when the computer is
turned
off,
that function is reinstated when the computer is
turned back on.
Action keys
Action keys perform
specific
functions and vary by computer. To determine which keys are on your computer,
look at the icons on your keyboard and match them to the descriptions in this table.
▲
To use an action key, press and hold the key.
NOTE:
On some products, you must press the
fn
key in combination with the action key.
Table 2-8
Action keys and their descriptions
Icon
Description
Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing the key alternates the screen image from computer display
to monitor display to simultaneous display on both the computer and the monitor.
12
Chapter 2
Components