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Troubleshooting
or
7.
This box also appears during normal system operation, if the video cable becomes
disconnected or damaged.
8.
Turn off your Dell Canvas 27 and reconnect the video cable; then turn on both your
computer and the Dell Canvas 27.
If your Dell Canvas 27 screen remains blank after you use the previous procedure, check your
video controller and computer, because your Dell Canvas 27 is functioning properly.