What to try if your touchscreen doesn't work - Microsoft Support
https://support.microsoft.com/en-us/windows/what-to-try-if-your-touchscreen-doesn-t-work-f159b366-b3ef-99ad-24a4-31a4c62ab46d
WebWindows 10. If your touchscreen isn’t responsive or not working how you would expect, try restarting your PC. If you’re still having problems, check for updates: Select Start , then select Settings . In Settings, select Update & Security , then Windows Update , and then select the Check for updates button.
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