If you recently dropped your laptop or even spilled something on it accidentally, it would prevent your touch screen from working.
Sometimes the video card in laptops burns out depending upon how much and how long you keep your computer running and how many different software and programs you run at the same time.
If you're not familiar with your laptop I would recommend you ask someone who's familiar with computers, to take your video card out and check it into an compatible laptop and see if that's your problem. If it is, you would just have to replace it in order to work.
Sometimes, there are two possibilities that occur at the same time, and I recently discussed the first one above, and the other is that both your screen and video card managed to shortage almost at the same time.
I hope this helps you.
Press the Windows logo key + X.
Click the little arrow next to Human Interface Devices to expand the list.
Click the touch screen driver (in my case, NextWindow Voltron Touch Screen).
Right-click, and select Disable from the list.
Click Yes on the dialog box that asks if you are sure you want to disable the touch screen driver.
When you want your touch screen to work again, follow the process above, EXCEPT when right-clicking the touch screen driver, select Enable
I’m happy to help further over the phone at https://www.6ya.com/expert/steve_52488d61fac93877
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