07-13-2014 03:21 AM
Try double-tapping the top left corner of the touchpad - this is often the method to enable/disable the touchpad.
If the above doesn't help, post back with the following details.
The full Model No. and Product No. of your notebook - see Here for a guide on locating this information.
The full version of the operating system you are using ( ie Windows 7 64bit ).
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Microsoft MVP - Windows Experience