30 | CHAPTER 5 – TROUBLESHOOTING
Troubleshooting Quick Reference Table
Symptoms Cause Solution
There is no image on your
screen.
Your computer is in Standby
mode.
OR
Touch the panel to activate
your computer.
There is no power to your
computer, interactive display or
touch connection panel.
OR
Your computer isn’t connected
to the interactive display.
See Making Power and
Computer Connections on
page 12.
There is a persistent image
on your screen.
An image displayed for too
long.
See Troubleshooting
Persistent Image Issues on
page 33
There are unstable images
on the screen.
Connection issues
OR
Display card issues
See Troubleshooting Unstable
or Unfocused Images on
page 34.
There is an unfocused or
blurry image on the screen.
Conflicting display and
computer image settings.
See Troubleshooting
Resolution Issues on page 34.
There is no sound from
your display.
Speakers aren’t included with
the interactive display, and
none have been added.
OR
Install speakers and connect
them to either the computer or
the LCD display side terminal
panel. See Connecting
External Equipment with the
Terminal Panels on page18.
Audio settings are incorrect. See Troubleshooting Audio
Issues on page 35.
The interactive display
doesn’t respond to your
touch.
You don’t have a USB 2.0
cable connecting the touch
connection panel to the
computer.
See Making Power and
Computer Connections on
page 12.
OR
If your interactive display is
mounted on a stand, see To
troubleshoot using LED status
and diagnostic lights on
page 38
The screen pointer doesn’t
appear where you touch.
The interactive display
cameras aren’t calibrated.
See Troubleshooting
Calibration Issues on page 39.