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3M
TM
Multi-Touch Chassis Display User Guide
3M Touch Systems, Inc. Proprietary Information
Chapter 3
Troubleshooting & Maintenance
If you have a problem setting up or using your display, you may be able to solve it
yourself. Before calling 3M Touch Systems, review the suggested actions that are
appropriate to the problem(s) you are experiencing with the display. You may also
want to consult your video card user’s manual for additional troubleshooting advice.
Display Installation Problems
Common Display Installation Issues
Issue
Solution
No image displayed (blank
screen)
Is the display receiving power?
Check that the display’s power cable is connected properly and securely
into a grounded electrical outlet.
Check that the AC input jack is firmly plugged into the display.
Check that the display’s power cable is connected properly and securely
to an electrical outlet.
Try a different power cable.
Try a different electrical outlet.
No image displayed (blank
screen)
Is the display receiving a valid video signal from the PC?
Check that the computer is powered on.
Check that the video cable is connected properly and securely to the
display and the computer.
Check that the LED on the rear of the display is green.
Check that no pins are bent in the video cable connector, (both ends).
Check that the video card is firmly seated in the card slot in your
computer.
Check that the video input from the video card falls within the refresh
rate of the display. Refer to
Supported Video Display Modes and
Refresh Rates
in Chapter 1.
Check that your computer is using a supported display mode. Refer to
Supported Video Display Modes and Refresh Rates
in Chapter 1.
No image displayed (blank
screen)
Is the display in Power Management mode?
If the LED on the rear of the display is flashing amber, touch the screen,
press any key on the keyboard, or move the mouse to restore operation.
Verify video source selection is correct (OSD)
No image displayed (blank
screen)
Are the brightness and contrast settings too low?
Use the display controls to adjust these values.
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