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Solving Interactive Problems
Check the solutions in these sections if you have problems using the interactive system.
Solutions When "Hardware Device Not Found" Message Appears
Solutions When "Error Occurred in the Easy Interactive Function" Message Appears
Solutions When the Interactive Pens Do Not Work
Solutions When Finger Touch Interactivity Does Not Work
Solutions When Manual Calibration Does Not Work
Solutions When the Built-In Toolbar (PC Free Annotation) Does Not Work
Solutions When the Interactive Pen Position Is Not Accurate
Solutions When the Interactive Pens Are Slow or Difficult to Use
Solutions When the Interactive Pens Cause Interference or Unwanted Effects
Parent topic: Solving Problems
Solutions When "Hardware Device Not Found" Message Appears
If the "Hardware device not found" message appears, try the following solutions:
• Check the USB cable connection from the projector to your computer. Try disconnecting and then
reconnecting the cable.
• If you are projecting from a laptop computer, make sure the battery has enough power, or connect the
laptop to a power outlet.
• If your USB cable is installed in the wall, try connecting a different USB cable to the projector and your
computer.
Parent topic: Solving Interactive Problems
Related concepts
Projector Connections
Related tasks
Connecting to a Computer for USB Video and Audio
Solutions When "Error Occurred in the Easy Interactive Function" Message Appears
If the "Error occurred in the Easy Interactive Function" message appears, contact Epson for help.
Parent topic: Solving Interactive Problems
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