Troubleshooting Tips For Mac - cable matters 107015 User Manual

3.8 Troubleshooting Notes for Mac
Check for the Thunderbolt logo on the computer port. This adapter is NOT compatible
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with a USB-C port that is not Thunderbolt 3 compatible.
The Thunderbolt 3 port must be wired for 40 Gbps to support dual 4K monitors
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Cabling
Check that all cable and adapter connections are secure
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Test any connected device cables with different equipment
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4K DisplayPort video resolution requires a 4K cable
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Computer Source
Check for updated OS software patches from Apple
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Try different video resolution settings supported by the monitor
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Check the DisplayPort audio output from the Sound menu in System Preferences
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Verify that the DisplayPort audio is not muted
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Disconnect all cables, reboot the computer, and reconnect the cables and Adapter
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Connected Monitor
Select the DisplayPort input from the monitor menu
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Adjust the audio level from the monitor menu or remote
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Test with an HD (not 4K) monitor, if possible
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4K DisplayPort video resolution requires a 4K capable monitor
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Contact support@cablematters.com with a description of your hardware
Thunderbolt™ 3 Multiport Adapter with Dual DisplayPort™
configuration and your computer OS
www.cablematters.com
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