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Contacting service
L550B
15" TFT LCD Color Monitor
Problem
The power LED is a
LED Indicator can be orange color on changing of video mode or
orange color
Input Signal.
Check the Resolution and the frequency on the video part of your
computer. Compare these values with the data in the Preset Timing
Table.
If the above troubleshooting hints do not help you find a solution to the problem,
contact an authorized service agent. If the monitor is sent for service, use the
original package if possible.
Unplug the display unit from the power outlet and contact a service agent when:
•
The monitor does not operate normally according to the operating instructions.
•
The monitor exhibits a distinct change in performance.
•
The monitor has been dropped or the cabinet has been damaged.
•
The monitor has been exposed to rain, or water or liquid has been spilled onto
the monitor.
Possible solution
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