Troubleshooting; Self-Test Feature Check - Samsung SyncMaster 400CX-2 Quick Start Manual

Troubleshooting

Self-Test Feature Check

Note
Check the following items yourself before calling for assistance. Contact a Service
Center for problems that you cannot solve by yourself.
Self-Test Feature Check
1. Turn off both your computer and the LCD Display.
2. Unplug the video cable from the back of the computer.
3. Turn on the LCD Display.
The figure shown below ("Check Signal Cable") appears on a black background
when the LCD Display is working normally even though no video signal is detected:
While in the Self-Test mode, the LED power indicator remains green and the figure
moves around on the screen.
4. Turn off your LCD Display and reconnect the video cable; then turn on both your
computer and the LCD Display
If your LCD Display screen remains blank after using the previous procedure, check
your video controller and computer system; your LCD Display is functioning properly.
Warning Messages
You can even view the screen at a resolution of 1920 x 1080. However, you will receive
the following message for a minute; You can choose to change the screen resolution
or stay in the current mode during that time. If the resolution is more than 85Hz, you
will see the black screen because the LCD Display does not support over 85Hz.
Note
Refer to Specifications > Preset Timing Modes for the resolutions or frequencies sup-
ported by the LCD Display.
Maintenance and Cleaning
1) Maintaining the LCD Display Case.
Clean with a soft cloth after disconnecting the power cord.
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