Samsung NP900X4D-A04US - Manual (Page 42)

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Chapter 2.
Using the computer
Touchpad On/Off Function
Locking with shortcut keys
If you want to use the mouse only without using the touchpad,
you can turn the touchpad off .
To lock the touchpad function, press the + keys.
Alternatively, press the key and then press the key to
turn the touchpad function off .
You can set the touchpad and touchpad button settings in
the tabs that appear when clicking Start > Control Panel >
Hardware and Sound > Mouse.
Auto-locking when connecting USB mouse
► When using the Elan driver
Click Start > Control Panel > Hardware and Sound > Mouse
> ELAN, and check the Disable When external USB mouse
plug in option. This will turn the touchpad off when a USB
mouse is connected.
► When using the Synaptics driver
Click Start > Control Panel > Hardware and Sound > Mouse
> Device Settings, and check the Disable internal pointing
device when external USB pointing device is attached in
option. This will turn the touchpad off when a USB mouse is
connected.
This auto-locking function is not provided for some models.
Touchpad