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Old 08-19-2017, 07:47 PM   #1
Manateeoncruise
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Join Date: Aug 2017
Posts: 2
Default Lenovo LT1421WD stays black with Ubuntu 16.04

I downloaded "DisplayLink USB Graphics Software for Ubuntu 1.3.54.zip" and installed it. The system told me that DKMS was missing, which I installed. I can see the display now and switch it on - however it stays dark. Any possible solution?

Last edited by Manateeoncruise; 08-19-2017 at 08:05 PM.
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Old 08-19-2017, 10:22 PM   #2
Manateeoncruise
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Join Date: Aug 2017
Posts: 2
Default Showing stripes now...

xrandr tells me:
Code:
jan@jan-Dell-System-XPS-L322X:~$ xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 294mm x 165mm
   1920x1080     60.00*+  59.93    40.00  
   1680x1050     59.95    59.88  
   1600x1024     60.17  
   1400x1050     59.98  
   1280x1024     60.02  
   1440x900      59.89  
   1280x960      60.00  
   1360x768      59.80    59.96  
   1152x864      60.00  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   960x600       60.00  
   960x540       59.99  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   800x512       60.17  
   700x525       59.98  
   640x512       60.02  
   720x450       59.89  
   640x480       60.00    59.94  
   680x384       59.80    59.96  
   576x432       60.06  
   512x384       60.00  
   400x300       60.32    56.34  
   320x240       60.05  
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DVI-I-1-1 connected (normal left inverted right x axis y axis)
   1366x768      60.00 +
When I switch the display on I see red and blue stripes only.
Code:
xrandr --output DVI-I-1-1 --auto
Anybody any ideas?
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