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Old 09-19-2022, 05:02 PM   #1
strategybase
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Join Date: Sep 2022
Posts: 1
Default DisplayLink Monitor Not Displaying anything

Hello,

I have been using displaylink usb monitor 3.0 on my windows and mac systems. I have an ubuntu system now .i went through the steps and instructions for installation . When i connect the usb monitor to the system, the initial AOC screen comes up but then its just blank. i have checked to see if the system recognizes the monitor (lsusb -d) and it does. Please what can i do to have this working like it does with other OS. Thank you
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Old 10-06-2022, 07:43 AM   #2
dosida
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Join Date: Aug 2022
Posts: 2
Default

Hi strategybase,

Open a terminal and type:

Quote:
xrandr
You should see something similar to this:

Quote:
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x 268mm
1920x1080 60.00*+
1680x1050 59.95
1440x900 59.89
1280x1024 75.02 60.02
1280x960 60.00
1280x800 59.81
1280x720 60.00
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32 56.25
640x480 75.00 72.81 59.94
DP-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
These results are from my system... and it shows that I currently have one active monitor on my system with a resolution of 1920x1080.

Now to activate the displaylink usb monitor on your system I would go about doing the following;

Type:

Quote:
xrandr --listproviders
you should see something like this (the text below is the command's response on my computer):

Quote:
Providers: number : 5
Provider 0: id: 0x1b8 cap: 0x1, Source Output crtcs: 4 outputs: 5 associated providers: 0 name:NVIDIA-0
Provider 1: id: 0x25f cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 0 name:modesetting
Provider 2: id: 0x23d cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 0 name:modesetting
Provider 3: id: 0x21b cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 0 name:modesetting
Provider 4: id: 0x1f6 cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 0 name:modesetting
next type:

Quote:
xrandr --setprovideroutputsource 1 0
Quote:
xrandr --setprovideroutputsource 2 0
Quote:
xrandr --setprovideroutputsource 3 0
Quote:
xrandr --setprovideroutputsource 4 0
at this point rerun:

Quote:
xrandr
You should see something similar to this:

Quote:
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x 268mm
1920x1080 60.00*+
1680x1050 59.95
1440x900 59.89
1280x1024 75.02 60.02
1280x960 60.00
1280x800 59.81
1280x720 60.00
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32 56.25
640x480 75.00 72.81 59.94
DP-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
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 connected (normal left inverted right x axis y axis)
1600x900 60.00 +
1280x1024 60.02
1280x960 60.00
1152x864 75.00
1280x720 60.00
1024x768 75.03 60.00
832x624 74.55
800x600 75.00 60.32
640x480 75.00 59.94
720x400 70.08
1280x1024 (0x1c3) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x1c4) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1152x864 (0x1c7) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1280x720 (0x1c6) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1024x768 (0x1c8) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x1ca) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
800x600 (0x1cb) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x1cd) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
640x480 (0x1cf) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x1d1) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
in my case the monitor designated as DVI-I-1-1 is my DisplayLink dock

Now you can go ahead and set it up with GNOME's Monitor settings utility or whatever your Desktop environment has for changing your resolutions.

Hope this helps out. Let us know how it works out for you.
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