Plugable USBC-6950U Troubleshooting Manual

This troubleshooting guide is intended to provide some initial steps and guidance for common or
frequently reported issues. For additional assistance with unexpected behavior with your device,
Plugable's friendly yet expert Seattle-based
support@plugable.com.
Troubleshooting
There is no video on the
monitor(s) attached to the
graphics adapter
The video on the attached
monitor is not displaying in
extended mode (or mirror
mode)
The video on the attached
monitor is laggy
Troubleshooting Guide
USB Graphics Adapters
Suggestion Solutions
Ensure that the software used by the device is installed and
working in a good state:
● Windows
● macOS
Ensure that the video cable being used is compatible. Video
adapter cables such as DisplayPort to HDMI cables for example
cannot be used backwards
Ensure that the monitor is set to the correct video input signal,
as not all monitors will automatically toggle to the active input
Plug the device into a different USB port (if possible)
● Windows
● macOS
Performance through USB graphics can be impacted by a
number of factors
● Outdated software - Ensure that the latest driver
software is installed for the video adapter for the latest
fixes and performance enhancements
support team is here to help – contact us at
○ Drivers available on the
○ macOS 13 installation instructions for the
DisplayLink Manager App available on the
Plugable knowledge base
○ macOS 11 & 12 installation instructions for the
DisplayLink Manager App available on the
Plugable knowledge base
○ Switch the current display mode by pressing the
"Windows Key + P" combination and select your
desired mode
○ Refer to Apple's
desktop across an external display
Plugable drivers page
guide to extending your Mac