Self-Test Feature Check - Samsung SyncMaster 171B, 171S, 181B, 171T, 171Q User Manual

Troubleshooting

Self-Test Feature Check

Your monitor provides a self test feature that allows you to check whether your monitor is functioning
properly.
Self-Test Feature Check
1. Turn off both your computer and the monitor.
2. Unplug the video cable from the back of the computer.
3. Turn on the monitor.
.
If the monitor is functioning properly, you will see a box with a border and text inside as
shown in the following illustration:
The three boxes inside the border are red, green and blue.
Failure of any of the boxes to appear indicates a problem with your monitor.
This box also appears during normal operation if the video cable becomes disconnected or damaged.
4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after using the previous procedure,
check your video controller and computer system; your monitor is functioning properly.
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