Method One: Open the notebook computer, enter the system (following under the Win 7 system verified), you can directly use the keyboard shortcut keys on the laptop to prohibit. Because of the different series, some press F12 to the right of the key to prohibit, some fn+f3, some Fn+f6 key, some new machine may have a separate key, see figure.
Method Two: Double-click the screen in the lower right corner of the touchpad icon (if not please install Touchpad driver) If you close the lower corner of the touchpad icon, you can go directly to the Control panel-mouse settings. such as canceling the tap to click, reduce touch pad touch sensitivity and other options to reduce, so that will not often slip caused by delay (if you want to close, can refer to method four).
Method Three: Part of the management software for English, you can device Settings, point Disable, will be standard pointing device enabled into No on it. This will directly prohibit the touchpad. It means "Close the standard sighting device."
Method Four: Install Dell touch Pad Official management software Quickset, then press WIN+X to open Windows Mobility Center there is an option to turn off the touchpad