Dell C2723H Display Manager on Mac Users Guide - Page 27

Troubleshooting If Dell Display Manager does not work with your monitor, it will display the following icon and message in the status menu. Click on the icon, Dell Display Manager shows a more detailed error message. Please note that Dell Display Manager only works with selected Dell-branded monitors. If you are using monitors from other manufacturers, Dell Display Manager does not support them. Dell monitors not supported by Dell Display Manager Dell Display Manager may not work with the following monitors: • Dell monitor models not included in Mac Dell Display Manager supported list. For more information, see http://www.dell.com/ddm • Monitors and accessories not listed in Mac Dell Display Manager support list. Virtual and wireless monitors do not support DDC/CI • Mac models earlier than year 2018 • macOS earlier than 10.14 Unable to detect supported Dell monitor If Dell Display Manager is unable to detect and/or communicate with a supported Dell monitor, please take following actions to troubleshoot: 1. Make sure the video cable or USB upstream cable is properly connected to your monitor and your computer. Ensure all the connectors are firmly inserted into the ports. 2. If connecting HDMI cable not working, switch to use HDMI and USB upstream cable. Launch DDM again. 3. Check the monitor OSD to ensure DDC/CI is enabled. Troubleshooting │ 27