MSI CX420 User Manual page 35

2-13
Press and hold the Fn button, and then press the F9 button to turn
+
the Bluetooth function on. Press again to turn it off.
Bluetooth
Press and hold the Fn button, and then press the F10 button to turn
+
the 3G function on. Press again to turn it off.
3G
Note that the function is not supported by this model.
(not supported)
7. Touchpad
This is a pointing device of the notebook.