Hi there,
I'm Cherrelyn and I'm here to help.
If touch works inside apps like Paint but not on menus or app controls, it’s usually a sign of a driver or calibration glitch rather than a full hardware fault. Please try recalibrating the touchscreen in Windows settings and check for the latest Surface firmware updates. If that doesn’t fix it, reinstall the “Surface Touch” drivers from the Surface support site to refresh how Windows handles input.
I hope this will help and If you have any question please feel free to ask.
Warm regards,
Cherrelyn