Part Ii: Problem Resolving Attempt & Troubleshooting - BenQ RM750K 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
• Failed calibration
• Compatibility - Cannot
detect IFP/DS
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.
Check the status of the power indicator – what color is it?
Touchscreen
Please try with another USB cable
82 Appendix 2: Basic Troubleshooting Checklists for IFP
• Touchscreen
• Flickering picture
• Add extender/repeater
• Android/APPs
Check item
Check item
(Figure 3).
• Intermittent touch signal loss
• Condensation
• Noise/interference
• OTA
problem still
Check if
completed
problem still
Check if
completed
Does the
exist?
Yes No
Does the
exist?
Yes No