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USB-C™ Multiport Travel Dock with HDMI and PD
3.6 Troubleshooting Tips
• When using Power Delivery to charge a laptop, first connect all the cables
and the USB-C charger BEFORE connecting the Dock
• Check that your computer recognizes the Dock. The blue LED should be lit.
• Search Device Manager > Click on: Universal Serial Bus devices >
Cable Matters USB-C Multiport Adapter
Cabling
• Check that all cable and Dock connections are secure
• Test any connected cables with different equipment
• 4K HDMI video resolution requires a 4K-rated cable
Computer/Host Source
• Test with a fully charged computer and the PD port connected to power
• Try different video resolution and refresh rates supported by the display
• Check the HDMI audio output from the Playback Devices on the taskbar
• Verify that the HDMI audio is not muted
• Test with a different USB-C port, if possible
• Disconnect all cables, reboot the computer, and reconnect everything
• Check for updated BIOS, firmware and software drivers from the computer
manufacturer
Connected Display
• Select the HDMI input from the display menu
• Adjust the audio level from the display menu
• Test with an HD (not 4K) display, if possible
• Only one 4K@60Hz display is supported. Two 4K@30Hz displays or two
2K@60Hz displays or two 1080@60Hz displays are supported.
• 4K HDMI video resolution requires a 4K-rated display
For more information about configuring dual 4K displays updating Thunderbolt
3 drivers go to: http://kb.cablematters.com
Contact support@cablematters.com with the model numbers and
description of your hardware configuration.