Dell C3422WE 사용자 설명서 - 페이지 19

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Troubleshooting

If DDM does not work with your monitor, DDM will show the following icon in your

notification tray.

Click on the icon, DDM shows a more detailed error message.

Please note that DDM only works with Dell-branded monitors. If you are using monitors

from other manufacturers, DDM doesn't support them.

If DDM is unable to detect and/or communicate with a supported Dell monitor, please

take the following actions to troubleshoot:

1. Make sure the video cable is properly connected to your monitor and your

computer. especially the connectors should be firmly inserted into position.

2. Check the monitor OSD to ensure DDC/CI is enabled.

3. Make sure you have the correct and latest graphics driver from the graphics

vendor (Intel, AMD, NVidia, etc.). Graphics driver is often the cause of DDM

failure.

4. Remove any docking stations or cable extenders or converters between the

monitor and the graphics port. Some low-cost extenders, hubs or converters

may not support DDC/CI properly and can fail DDM. Update the driver of such

device if the latest version is available.

5. Restart your computer.

Troubleshooting