If you are using a USB mouse on your laptop and don’t want to keep on pressing “function key + touchpad key” to enable or disable the touchpad every time you use an external pointing devices, then read on.

Check that you have the latest Synaptics software driver installed.

If you have version 10.x and above then proceed to step 3, if not then read on below.

1. Go to Synaptics Driver download page and get the latest driver.

2. Uninstall the old Synaptics driver and restart your computer.

3. Once the driver is installed and loaded, double click on Synaptics system tray icon to bring the Synaptics pointing device properties.

4. Click on “Device Settings” tab and look for the checkbox that says “Disable internal pointing device when external USB pointing device is attached” and click it to check. Click OK.

5. Now try to insert a USB mouse and try to use the touchpad, it should be automatically disabled every time you insert the USB mouse and enable it every time you remove the USB mouse.