Turn off all the touch screens.
What is the warning ?
This is the message:
Do You Want To Switch Off All Touchscreens?
What went wrong?
You pressed "F9" on the keyboard and are about to turn off all the touchscreens.
You can turn them back on in the Setup Menu.
Micro/Pico: make sure to have a mouse/trackball attached, to be able to turn the screens on again
How do I fix it?
Nothing to fix - just confirm it by pressing the OK button or abort the action by pressing the Cancel button.