Follow this procedure to determine if the touchpad has been disabled.

1. On the keyboard, press the WINDOWS key to open the Start Menu.
2. Press the P key until All Programs is selected.
3. Press the DOWN ARROW key until Sony Notebook Setup is selected and press the RIGHT ARROW key once.
4. Press the DOWN ARROW key until Sony Notebook Setup is selected.
5. Press the ENTER key.
6. In the Sony Notebook Setup window, press the RIGHT ARROW until the Touchpad tab is selected.
7. On the Touchpad tab, if Disable Touchpad is selected, press the TAB key one time.
8. Press the UP ARROW key one time to select Enable Touchpad .
9. Press the TAB key two times to select the OK button.
10. Press the ENTER key.