5
www.cablematters.com
Thunderbolt™ 3 Multiport Adapter with Dual DisplayPort™
Monitor Configuration
Windows (Duplicate or Extend the Display)
Video: Press Windows Logo + P or
Search
Display
>Click
Adjust Resolution
Audio: Search
Sound
> Click on the display name >
Set Default
>
OK
Dual 4K Monitors in Windows
Open the
Intel HD Graphics Control Panel
Right-click on the Desktop > Graphics Properties
Select the Display Menu to configure both displays
Mac (Duplicate or Extend the Display)
Video: Apple Menu >
System Preferences
>
Displays
> Select the
Arrangement Tab
>
Choose to Duplicate or Extend the display
Audio: Apple Menu >
System Preferences
>
Sound
>
Output
Troubleshooting Tips
•
Disconnect all cables, reboot the computer, and reconnect the cables and Adapter
•
4K UHD video resolution requires a 4K source, cable, and monitor
•
Check that your computer supports two external video monitors
•
Check for updated video graphics drivers from the computer maker
3.4 Connecting Dual Monitors to the Adapter
Connection Instructions
1) Connect DisplayPort cables (sold separately) to the Adapter
2) Connect the cables to the DisplayPort input of each monitor
3) Connect the Adapter to the Thunderbolt 3 port on the computer
4) Select the DisplayPort video and audio input from each monitor menu
5) Select the audio output from the computer
DisplayPort