Touchpad not working? Try the following and see if it fixes it...
1. Go into "Control Panel".
2. Click "Hardware and Sound".
3. Now click "Mouse and Touchpad".
4. Now go to "Additional mouse options".
5. The Mouse Properties window will open. In here click on your device.
6. Make sure your device is set to disabled. If it isn't then click "Disable Device".
7. Exit both that screen and "Control Panel".
It should be off now.