2–6 Maintenance and Service Guide
External component identification
Keys
✎
The computer may look slightly different from the illustration in this section.
Item 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 or the
esc key.
(3) Windows logo key Displays the Windows Start menu.
(4) Windows applications key Displays a shortcut menu for items beneath the pointer.
(5) Embedded numeric keypad keys Use like an external numeric keypad when you enable the num lock function
by pressing the fn key in combination with the num lk key.
(6) Function keys Execute frequently used system functions when pressed in combination with
the
fn key.
■ Display system information. fn+esc
■ Initiate Standby or Sleep. fn+f3
■ Switch the screen image. fn+f4
■ Display battery information. fn+f8
■ Decrease screen brightness. fn+f9
■ Increase screen brightness. fn+f10
■ Activate the ambient light sensor. fn+f11
