Component
Description
(1)
esc
key
Displays system information when pressed in combination with
the
fn
key.
(2)
fn
key
Executes frequently used system functions when pressed in
combination with a function key, the
num lock
key, the
esc
key,
or the
fn
+
b
.
See
Using the hot keys on page 15
(3)
Windows key
Opens the Start menu.
NOTE:
Pressing the Windows key again will close the Start
menu.
(4)
num lock
key
Turns the embedded numeric keypad on and off.
(5)
Integrated numeric keypad
A separate keypad to the right of the alphabet keyboard that
enables you to add, subtract, and perform other numeric tasks.
When
num lock
is on, the integrated keypad can be used like an
external numeric keypad.
Using the hot keys
To use a hot key:
▲
Press the
fn
key, and then press the correct function key represented by the icons below.
Press
fn
+function key Description
Initiates Sleep, which saves your information in system memory. The display and other system components
turn off and power is conserved.
To exit Sleep, briefly press the power button.
CAUTION:
To reduce the risk of information loss, save your work before initiating Sleep.
Turns the keyboard backlight off or on.
NOTE:
To conserve battery power, turn off this feature.
Top
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Содержание ProBook 640 G2
Страница 4: ...iv Important Notice about Customer Self Repair Parts ...
Страница 6: ...vi Safety warning notice ...
Страница 87: ...Reverse this procedure to replace the panel Component replacement procedures 77 ...
Страница 89: ...Reverse this procedure to replace the audio board Component replacement procedures 79 ...
Страница 91: ...Reverse this procedure to replace the audio boardr Component replacement procedures 81 ...