This article explains how to disable touch when using a USB-C cable for power, video, and touch
Some customers using only a USB-C cable for Power, Video, and Touch, may want to disable the touchscreen without disabling power and video. To do this, you will need to install an Elo touch driver and select "Disable Touch" in the driver GUI. See below screenshot for reference.
Screenshot from Elo Multi-Touch Driver, v8.0.0
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