Quick Start Guide

Table Of Contents

93 Appendix 2: Basic Troubleshooting Checklists for IFP & IL

Noise/interference

Compatibility - Cannot detect IFP/DS

Android/APPs

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.

Check item

Check if

completed

Does the

problem still

exist?

Ye s No

Check item

Check if

completed

Does the

problem still

exist?

Ye s 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?

Ye s No

Try another PC/NB (different brand/model).

Try to add the repeater to boost the signal.

Check item

Check if

completed

Does the

problem still

exist?

Ye s No

Uninstall any other non-BenQ authorized/preloaded APPs.

Clear the APP data (setting>Application>clear data).

Restore the setting under Android Setting.