The touchpad is handy for friends who are already accustomed to laptops and tablets, but it's often inconvenient for desktop computers to switch to laptops. Accidentally met there.
Method One:
Press Fn+f8 to set. If you press the shortcut key there is no pop-up Touchpad property settings interface. From the Start-Control Panel-printer and other hardware-mouse, click and eject the Mouse property interface. The following figure. Switch to the Ultranav tab and remove the check in front of the Enable touchpad. Click OK.
Some people's computers do not see ULTRANAV, because a less driver, to Lenovo's official website to download the Ultranav mouse driver (Windows 7/VISTA/XP) applicable models: ThinkPad E40 ThinkPad E50 ThinkPad L412 ", after installed on this option.
Method Two:
If the method does not work, press FN+F1 to enter the BIOS setup, Config---->keyboard/mouse---->touch pad set to Disabled. Then press F10 to save the settings. Reboot.