Hello,
If you are able to use your touchscreen then Check restart your PC if you are still having like this problem.
* Go to the setting.
* In setting select the,
* Update security>window update>Check for updates
* install any available updates and restart your PC.
* If you did not get any notification for restart then you will be restart your Tablet itself.
* It is a better option make sure after restart your any pending updates are install.
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