Mitsubishi Electronics LCD1720M Computer Monitor User Manual


 
15
Troubleshooting
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The signal cable should be completely connected to the display card/computer.
The display card should be completely seated in its slot.
Front Power Switch and computer power switch should be in the ON position.
Check to make sure that a supported mode has been selected on the display card or system
being used. (Please consult display card or system manual to change graphics mode.)
Check the monitor and your display card with respect to compatibility and
recommended settings.
Check the signal cable connector for bent or pushed-in pins.
Power Button does not respond
Unplug the power cord of the monitor from the AC outlet to turn off and reset the
monitor.
Image persistence
Image persistence is when a ghost of an image remains on the screen even after
the monitor has been turned off or a different image is being displayed.In most
instances,the image persistence can be reduced by turning the monitor off for as
long as an image was displayed or by displaying the same image in the
complementary colors.
NOTE: As with all personal display devices, NEC-Mitsubishi Electronics Display of America
recommends using a screen saver at regular intervals whenever the screen is idle.
Image is unstable, unfocused or swimming is apparent
Signal cable should be completely attached to the computer.
Use the OSM Image Adjust controls to focus and adjust display by
increasing or decreasing the fine total. When the display mode is changed, the OSM
Image Adjust settings may need to be re-adjusted.
Check the monitor and your display card with respect to compatibility
and recommended signal timings.
If your text is garbled, change the video mode to non-interlace and use 60Hz refresh rate.
LED on monitor is not lit
(no green or amber color can be seen)
Power Switch should be in the ON position and power cord should be connected.
Make certain the computer is not in a power-saving mode (touch the keyboard or
mouse).
Display image is not sized properly
Use the OSM Image Adjust controls to increase or decrease the Coarse total.
Check to make sure that a supported mode has been selected on the display card or system
being used. (Please consult display card or system manual to change graphics mode.)