User’s 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.
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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.
