82
Appendix 2: basic troubleshooting checklists
Failed calibration
Add extender/repeater
Make sure that only the tip of the touch pen touches the screen.
Keep your hand away from the touchscreen, as the detectors may
detect your hand even it does not touch the screen surface.
Check item
Check if
completed
Does the
problem still
exist?
Yes
No
Check item
Check if
completed
Does the
problem still
exist?
Yes
No
Please try with the built-in calibration tool on the Windows
operating system.
Contact the service provider to see if a calibration software is
available.
Check item
Check if
completed
Does the
problem still
exist?
Yes
No
If the touch is not working, please add a USB hub/extender.
If there is no display, please add the display port repeater
(ex.HDMI repeater).
Try with shorter cables (shorter than 3M for display cable/1.8M
for touch USB cable). If the problem is solved, please try to add
the repeater.