If the screen doesn’t respond when touched, there are usually two possibilities:
1. A hardware issue with the touch sensor
2. A communication failure.
To identify the problem, start with a touch sensor diagnosis.

 

Note: The touch diagnosis method depends on the OS version of your XTOP device.
You can check the OS version by going to [Menu]-[System Information] on the device.

 

* For XTOP Devices with OS Version V3.1
1. Go to the Main menu-[Diagnosis]-[2. Touchkey Diagnosis:].
2. A white screen will appear. Touch anywhere on the screen. A black rectangle will indicate the touch location.

 

* For XTOP Devices with OS Version V4.8
Go to the Menu-[Device Manager], and Tap the [Touch test] button.
A white screen will appear. Touch anywhere on the screen. A black rectangle will indicate the touch location.

 

[Diagnosis Results & Next Steps]
Case 1: Touch Point Matches Black Dot
-> The touch sensor is working correctly. Proceed to check the communication settings and cables using the communication manual.

 

Case 2: Touch Point Doesn’t Match Black Dot
-> The touch input is misaligned. You’ll need to calibrate the touch screen.

 

[How to Calibrate the Touch Screen on XTOP]
1. Turn off the power to the XTOP device.
2. While pressing the lower part of the screen (bottom half, left or right side), turn the power back on.
3. When the screen turns white, release your touch. A message will appear: "To calibrate the touch screen, touch anywhere." and a countdown will start.
4. Before the countdown reaches "0", touch anywhere on the screen.
5. You’ll see a black square in the center with a message: "Touch the center of the screen." Use a stylus to accurately touch the center point, followed by the top-left, top-right, bottom-left, and bottom-right points.
6. Once completed, you’ll see a message: "Data Saving", and then calibration is now finished.

 

[Other Possible Issues]
Case 1: No Touch Response at All
If there is no response from the screen, check for any dents or pressure marks on the surface. If damage is found, it may be preventing the touch screen from functioning properly. 
In this case, replace the Front Sheet via customer support. If damage is severe, the Touch Sensor might also need replacement.

 

Case 2: Contamination Issues
If cutting oil or other substances seep under the front sheet and reach the touch sensor, it may cause malfunction. In this case, customer service is also required.

 

Case 3: Touch Not Working Despite No Visible Damage
If there’s no dent, but Touch doesn’t respond in certain areas, Calibration doesn’t work, or Touch points are still misaligned after calibration,
-> The Touch Sensor needs to be replaced. Contact customer support.

 

[Watch a Video Guide]
For a step-by-step video on touch calibration, visit M2I YouTube channel: https://www.youtube.com/watch?v=AkDXOIidn6E