How to Run the Touch Screen Test
In this article, you'll learn how to calibrate the touch screen on the Nintendo Switch console.
Complete these steps
From the HOME Menu select System Settings. Scroll down the menu on the left-hand side and select Controllers and Sensors.
Test Input Devices being highlighted on the Controllers and Sensors option of the Nintendo Switch System Settings screen
Select Test Input Devices, then Test Touch Screen.
Test Touch Screen being highlighted on the Test Input Devices screen
Use your finger (not a stylus) to draw something on the screen.
Lines being drawn on the Test Touch Screen screen
There is no confirmation message. Press B to return to the previous screen.