BenQ PH460, Installation Handbook

Page: 80 / 84

80 Appendix 2: basic troubleshooting checklists
Intermittent touch signal loss
Ghost touch
Please try to connect the display to the video source (e.g.
computer) directly without any extension/trunking/faceplate.
Try to un-install the Smart Notebook software (if provided), and
install an earlier version. Contact the service provider for an
earlier version if needed.
Try with Windows Paint (for Windows operating systems).
Try with a thicker touch pen (6 mm as recommended, Figure 9 )
for drawing on the touchscreen.
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 a different video source (e.g. computer).
Please try with a shorter USB cable ( Figure 3 ).
Please try with another USB port on the video source (e.g.
computer).
Please try use a USB-powered hub ( Figure 7 ) to connect the
video source (e.g. computer) and your display.
Check item
Check if
completed
Does the
problem still
exist?
Yes No
Moisten a clean, soft, lint-free cloth with a neutral detergent and
then clean the frame and the touchscreen carefully.