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Maintenance and Service Guide 1–13
Table 1-5
Keyboard Components
Item Component Function
1 F1 to F12 keys (12) Perform system and application tasks.
When combined with the fn key, several
keys and buttons perform additional tasks
as hotkeys.
2 caps lock key Enables caps lock and turns on the caps
lock light.
3 Fn
key Combines with other keys to perform
system tasks. For example, pressing
fn+f7 decreases screen brightness.
4 Windows logo key In Windows, displays the Windows
Start menu.
5Windows
applications key
In Windows, displays a shortcut menu
for items beneath the pointer.
6 Arrow keys Move the cursor around the screen.
7 Keypad keys (15) In Windows, can be used like the keys
on an external numeric keypad.
8 num lock key Enables numeric lock, turns on the
embedded numeric keypad, and turns
on the num lock light.