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Appendix 2: basic troubleshooting checklists
Noise/Interfence
Compatibility - Cannot detect IFP/DS
Check item
Check if
completed
Does the
problem still
exist?
Yes
No
Unplug the USB cable.
If unplugging the USB cable can solve the problem, please use the
digital signal (ex. HDMI or DVI) with the touch USB cable.
Try to use another AC socket.
Try to use the AC jack without ground.
Check item
Check if
completed
Does the
problem still
exist?
Yes
No
Try another PC/NB (different brand/model).
Try to add the repeater to boost the signal.
