Fix touchpad problems in Windows
https://support.microsoft.com/article/30b498e5-0caa-9740-2b21-336ea75ee756
If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. Open Device Manager. To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update. Select Update Driver. Open Device Manager. Right-click the name of the device, then select Uninstall device. Select Uninstall and then restart your PC. Windows will attempt to reinstall the driver.
Open Device Manager.
To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update.
Select Update Driver.
Right-click the name of the device, then select Uninstall device.
Select Uninstall and then restart your PC.
Windows will attempt to reinstall the driver.
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