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Cracked screen renders touch screen partially working on laptop, wanted to add Acer UT220HQL touch screen monitor and use its touch screen as main monitor.

I set the Acer touch screen as the main monitor, but cannot get the touch function to work. Any ideas?

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    Have you installed the required drivers for this touch screen? Typically it wouldn't have a driver, but it also takes input, and input devices always need a driver. Keyboards/Mice happen to use the standard I/O/USB driver but that is outside the scope of this question. – Ramhound Aug 30 '17 at 14:50

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