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Troubleshooting
User’s Manual
A self-test feature is provided that allows you to check for proper monitor function. If your monitor and
computer are properly connected but the monitor screen remains dark and the power indicator is blinking, run
the monitor self-test by performing the following steps:
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.
4.Turn off your monitor and reconnect the video cable; then turn on both your
computer and the monitor.
If your monitor is functioning properly, you will see a box with a blue border and red 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.
If your monitor screen remains blank after using the previous procedure,
check your video controller and computer system; your monitor is functioning properly.
Self-Test Feature Check
Self-Test Feature Check