Lenovo B4400 Notebook - Manual (Page 7)

Chapter 1. Getting to know your computer
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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.
Function key combinations
Through the use of the function keys, you can change operational features
instantly. To use this function, press and hold Fn
; then press one of the
function keys .
Note: The Num lock indicator will light on if the numeric keypad is enabled.
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