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If the monitor power indicator is on but no image appears on the display, perform the following
checks:
Ensure that the video connector is seated properly. Tighten the connector screws securely with
•
your fingers.
Ensure that the computer is on.
•
•
Increase brightness and contrast controls.
Turn off the monitor and unplug the signal cable. Check the cable connector for bent or broken
•
pins.
With the signal cable still disconnected, turn on the monitor. If the monitor is working correctly, a
•
self-test pattern appears.
•
Perform a monitor reset or recall.
Ensure that the volume control is on, if there is no audio from speakers.
•
Ensure that the connector is seated properly, if there is no audio from Headphone.
•
•
Turn off the microphone if speakers produce noise.
•
Ensure that the speakers are in mute mode or turn off the speakers, if microphone produces
noise.
Turn down the volume if you the monitor starts vibrating.
•
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____________________________________
Information in this document is subject to change without notice.
1999 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation
is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Computer Corporation;
Microsoft and Windows are registered trademarks of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities
claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary
interest in trademarks and trade names other than its own.
November 1999
4
Dell E550mm Color Monitor Quick Setup Guide
P/N 3853T Rev. A00
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