Lenovo B4400 User Manual page 7

Chapter 1. Getting to know your computer
Using the keyboard
Your computer has a numeric keypad and function keys incorporated in its
standard keyboard.
Numeric keypad
The keyboard has keys that, when enabled, work as a 10-key numeric
keypad. To enable or disable the numeric keypad, press Fn + F8.
Note: The Num lock indicator will light on if the numeric keypad is enabled.
Function key combinations
Through the use of the function keys, you can change operational features
instantly. To use this function, press and hold Fn a ; then press one of the
function keys .
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