Please try the following troubleshooting steps:

• Test with a different laptop or monitor to see if the issue persists.

• Try using a different HDMI cable to determine if the original cable is faulty.

• Disconnect the hub from your laptop and unplug all devices from the hub for at least 5 minutes. Afterward, restart your laptop and reconnect everything to see if the issue is resolved.

Finally, if the above troubleshooting steps do not resolve the issue, please connect the dock to a PC and submit feedback via the Anker Dock Manager.

Note: You must use Anker Dock Manager version 1.1.4 or later to submit valid feedback. If your version is too old, you can download the latest version here: https://www.anker.com/dockmanager-download. After installation, please unplug and reinsert the upstream port before submitting feedback.

If all of the steps above cannot help you locate and resolve the problem, please contact Anker Customer Support for further assistance. Briefly mention the steps that you’ve already tried for a faster solution.