Part Ii: Problem Resolving Attempt & Troubleshooting - BenQ PL460 Installation Handbook

Part II: problem resolving attempt & troubleshooting
The following checklist helps you identify the problem and resolve it quickly. In case a specific
problem occurs, refer to its related section and follow the check items to resolve the problem.
Contact the service provider if the problem cannot be resolved as instructed in this checklist.
Possible problems are:
• Power
• Ghost touch
• Double or parallel lines
Power
Try the following if the display cannot be powered up.
Please try replace the power cord.
Check if the power cable has been properly connected.
Please try to connect the display to a different power outlet.
Make sure the power switch (usually located at the rear of the
display) is switched on.
Touchscreen
Please try with another USB cable
Please try with another USB port on the video source (e.g.
computer).
Please try to connect the display to another video source (e.g.
computer).
• Touchscreen
• Flickering picture
• Failed calibration
Check item
Check item
(Figure 3).
• Intermittent touch signal loss
• Condensation
Check if
completed
Check if
completed
Appendix 2: basic troubleshooting checklists
Does the
problem still
exist?
Yes No
Does the
problem still
exist?
Yes No
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