HP Compaq 800c Hardware Manual page 42

Turning the Internal Keypad On and Off
When the internal keypad is off, press
notebook to turn the internal keypad on. When the internal
keypad is on, press
key on an external keypad) to turn the internal keypad off.
The num lock light 2 turns on under 2 conditions:
■
The internal keypad is on,
or
■
An optional external keypad with num lock turned on is
connected to the system.
The internal keypad cannot be turned on while an optional
external keypad is connected to the PS/2 connector on an optional
port replicator.
Identifying the Fn and num lk keys and the num lock light
Hardware Guide
on the notebook (or the num lock
Fn+num lk
Pointing Devices and Keyboard
1 on the
Fn+num lk
2–15