2–4 Maintenance and Service Guide
External component identification
Keys
Item Component Description
1esc key Displays system information when pressed in combination with the fn key.
2fn key Executes frequently used system functions when pressed at the same time as
a function key or the esc key.
3Windows logo key Displays the Windows Start menu.
4Embedded numeric keypad keys Used like the keys on an external numeric keypad.
5Windows applications key Displays a shortcut menu for items beneath the pointer.
6Navigation keys (home, pg up,
pg down)
Execute volume mute, volume up, or volume down when pressed at the same
time as the fn key.
7Function keys Execute frequently used system functions when pressed at the same time as
the fn key.