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English 27
Troubleshooting
If you have a problem setting up or using your LCD monitor, you may be able to solve it
yourself. Before contacting customer service, try the suggested actions that are appropriate
to your problem.
Table 2. Troubleshooting – Image
What you see... Suggested Actions Reference
Screen is blank and
power indicator is off
■
Ensure that the power cord is firmly
connected and the LCD monitor is
on.
Connecting your LCD
monitor, page 5.
“ Check Signal Cable”
message
■
Ensure that the signal cable is firmly
connected to the PC sources.
■
Ensure that the PC or video sources
are turned on.
Connecting your LCD
monitor, page 5.
“Sync. Out of Range”
message
■
Check the maximum resolution and
the frequency of the video adaptor.
■
Compare these values with the data
in the Display Modes Timing Chart.
Display Modes, page 31.
The image is too light
or too dark
■
Adjust the Brightness and Contrast. Brightness, page 12.
Contrast, page 12.
Horizontal bars
appear to flicker, jitter
or shimmer on the
image
■
Adjust the Fine function. Image Lock, Fine,
page 12.
Vertical bars appear
to flicker, jitter or
shimmer on the
image.
■
Adjust the Coarse function and then
adjust the Fine function.
Image Lock, Coarse,
page 12.
Image Lock, Fine,
page 12.
Appendix
5_E240MP22p.fm Page 27 Thursday, July 12, 2001 10:26 AM