You may encounter a situation where the touch input of the touchscreen display will not work after the touchscreen is turned off by power management.
EXAMPLE: If you set the screen to DIM after 2 minutes and TURN-OFF after 3 minutes, Moving the mouse, hitting any key turns the display back on, but the touch input no longer works.
The solution is to adjust the power setting in device manager under Human interface Devices (HID) devices (Figure 1).
To resolve this issue complete the following steps:
The touch screen should retain touch functionality after it is turned off, and now can use either the mouse, keyboard or touch screen to turn the LCD back on (Figure 2).
If you have further questions about this solution, please contact Dell Technical Support.
Article ID: SLN290492
Last Date Modified: 02/27/2019 05:27 PM
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