Control panel - find mouse/touchpad icon and try a reset of the functions. If all else fails and you can back everything up, a clean re-install of Windows should solve it. If that doesn't work, it's a hardware problem - return to Sony or a qualified engineer
Testimonial: "thank you will give it a try"
Get
online
and got to www.google.com In the google search box type: "IBM Support"
or "Lenovo Support" (without the quotes and put your manufacturer name
before Support).
Look for downloads and drivers. Enter your model number and operating
system when requested. Download and install the Touchpad drivers.
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