Wavlink is not working on the Ubuntu 20.04.4 LTS - USB-C to HDMI Dual Display Adapter


I am trying to use two monitors on Ubuntu Ubuntu 20.04.4 LTS with the wavlink UG7602HC
USB3.0/USB-C to HDMI Dual Display Adapter (Model: WL-UG7602HC)

$ uname -a
Linux 5.13.0-27-generic Ubuntu SMP x86_64 x86_64 x86_64 GNU/Linux

CPU: Intel i5-7400 (4) @ 3.500GHz 
GPU: Intel HD Graphics 630

I install the DisplayLink software on Ubuntu 20.04 (as described here) the download from DisplayLink support for Ubuntu now available

Distribution discovered: Ubuntu 20.04.4 LTS
WARNING: Version 1.10.1 of EVDI kernel module is already running.

The device is already connected to the system:

$ lsusb                         
Bus 002 Device 010: ID 090c:0768 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) SMI USB Display

When I try to connect the two monitors, Nothing happens.

The two monitors, have the following resolutions:

Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 509mm x 286mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1280x1024     75.02    60.02  
   1440x900      74.98    59.89  
   1280x960      60.00  
   1280x800      59.81  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
DVI-I-4-4 disconnected (normal left inverted right x axis y axis)
DVI-I-3-3 disconnected (normal left inverted right x axis y axis)
DVI-I-2-2 disconnected (normal left inverted right x axis y axis)
DVI-I-1-1 disconnected (normal left inverted right x axis y axis)

For some reason, the computer does not detect the monitors.

Someone has some idea how to fix this?

Any suggestion is welcome :slight_smile:

Thank you!


Thank you for contacting Plugable! I would be happy to provide some information for you today.

Unfortunately since this is a Wavlink product, we are unable to provide direct support for you with this product.

I will note however that the product in question is not a DisplayLink product. It instead requires the Silicone Motion driver. In addition to this, unfortunately there does not appear to be an official Linux driver provided by SMI.

Please let us know how we can provide any further assistance.

Plugable Technologies

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