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122 Solving Problems
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2 Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The problem is resolved.
No. Go to step 3.
3 Turn off nearby fans, lights, lamps, or other electrical devices.
Is the monitor readable?
Yes. One or more of those devices was causing interference. The
problem is resolved.
No. Go to the next question.
Do you have another monitor that is working properly?
Yes. Go to step 4.
No. Contact Dell for technical assistance.
4 Turn off the computer and the monitor, wait at least 30 seconds, and
disconnect the monitor. Connect a different monitor to the computer
and then turn them on.
5 Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The original monitor is defective. The problem is resolved.
No. Contact Dell for technical assistance.
Video Problems
Basic Checks:
• Run the monitor self-test as instructed in the monitor user’s guide.
• Check the monitor power indicator.
• Listen for system beep codes that may indicate a display problem.
• Connect the monitor power cable directly to an electrical outlet to
verify that the monitor turns on. Do not connect it to a power
protection device, UPS, power strip, or extension cord.