HP Notebook - Manual (Page 49)

Keyboard
3-10 Startup and Reference Guide––Part 2
Turning the Keypad On and Off
When the keypad is off, press Fn+num lk 1 to turn the keypad on.
When the keypad is on, press Fn+num lk to turn the keypad off.
The num lock light 2 turns on when the keypad is on.
Identifying the Fn and num lk keys and the num lock light
Switching the Functions of Keypad Keys
You can temporarily switch the functions of a keypad key
between its standard function and its keypad function.
To use a key on the keypad as a keypad while the keypad is
turned off, press and hold
Fn while pressing the key.
To use a key on the keypad as a standard key while the
keypad is turned on:
Press and hold Fn to type with the key in the lowercase.
Press and hold Fn +shift to type with the key in the
uppercase.
Releasing the Fn key returns a keypad key to its set function. For
example, a keypad key returns to its keypad function if the
keypad is turned on or to its standard function if the keypad is
turned off.