Dual Monitors in Linux Mint 18 Not working











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I am very new to Linux and I'm having issues getting dual monitors to work in Linux Mint 18. I know that others have had issues with dual monitors and Linux, and I've scoured the forums and tried enough things that I broke the Cinnamon desktop at one point and it's only by luck that I managed to get back to the initial conditions.



I run Linux Mint 18 with a Nvidia GeForce GTX 950 graphics card. If I look in the Driver Manager, I can see that I'm running the driver 367.57-0ubuntu0.16.4.01. My main monitor is plugged in via a DVI cable and works great. If I plug a second monitor into the VGA port, I lose all my display settings and the second monitor never shows any input. I try to click on the Display application and it opens for a second and then closes. If I check the NVidia Server Settings application and hit 'Detect Displays', nothing happens. Only unplugging the VGA cable and restarting can return my main display settings.



I read that this could be an issue with the Nvidia drivers, so I tried:



sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings


This broke the Nvidia server settings. Restarting my computer, it defaulted to using the nouveau driver. My dual monitors worked perfectly in this setting, but I was no longer using my Nvidia GPU. I tried opening Nvidia Server Settings to switch the GPU from Intel to Nvidia and received the following error:



ERROR: Error querying target relations

** Message: PRIME: No offloading required. Abort
** Message: PRIME: is it supported? no

ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at either
/usr/share/nvidia/nvidia-application-profiles-331.38-key-documentation
or /usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
preopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.


Googling this error led me down a rabbit hole of fixes where I tried



sudo apt-get purge nvidia*


and then installing the driver manually by blacklisting nouveau, downloading the Nvidia driver myself, and then using the virtual console to install the driver:



sudo stop service mdm
sudo sh N-357.57.run
sudo start service mdm


or something like that. Unfortunately, when I restarted after this, Cinnamon broke and would only work in 'Fallback Mode', at which point I uninstalled the driver from the virtual console



sudo sh N-357.57.run --uninstall


and started up in nouveau. I reinstalled the Nvidia driver from the device manager and, somehow beyond all odds, managed to get my system back to its original state. The driver is installed and functioning:



$ inxi -xG                                                 [0/0]
Graphics: Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
Card-2: NVIDIA GM206 [GeForce GTX 950] bus-ID: 01:00.0
Display Server: X.Org 1.18.3 driver: nvidia
Resolution: 1920x1080@60.00hz
GLX Renderer: GeForce GTX 950/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 367.57 Direct Rendering: Yes


but I'm back to a situation where plugging in a VGA monitor loses my display settings, won't open the display app, and won't detect the second display.



Can anyone offer me any guidance? As I said, I'm new to Linux and, after this experience, I think I might be over typing in random commands I found online after Googling this problem. That led to bad things.



UPDATE



Here is the xrandr output with both monitors connected. It looks as though it sees them both but for some reason I can't get the 'display' app to open, nothing ever shows on the second monitor, and Nvidia Settings won't detect a second screen.



Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected
1920x1080 60.00 +
1680x1050 59.95
1280x1024 75.02 60.02
1440x900 59.89
1280x960 60.00
1280x800 59.81
1152x864 75.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
DVI-D-0 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected primary 1920x1080+0+0 531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
HDMI-2 disconnected









share|improve this question
























  • Please post the output of xrandr when you have both monitors connected.
    – MariusMatutiae
    Nov 17 '16 at 12:12










  • @MariusMatutiae ok done. Thanks!
    – Nate
    Nov 18 '16 at 17:10















up vote
1
down vote

favorite












I am very new to Linux and I'm having issues getting dual monitors to work in Linux Mint 18. I know that others have had issues with dual monitors and Linux, and I've scoured the forums and tried enough things that I broke the Cinnamon desktop at one point and it's only by luck that I managed to get back to the initial conditions.



I run Linux Mint 18 with a Nvidia GeForce GTX 950 graphics card. If I look in the Driver Manager, I can see that I'm running the driver 367.57-0ubuntu0.16.4.01. My main monitor is plugged in via a DVI cable and works great. If I plug a second monitor into the VGA port, I lose all my display settings and the second monitor never shows any input. I try to click on the Display application and it opens for a second and then closes. If I check the NVidia Server Settings application and hit 'Detect Displays', nothing happens. Only unplugging the VGA cable and restarting can return my main display settings.



I read that this could be an issue with the Nvidia drivers, so I tried:



sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings


This broke the Nvidia server settings. Restarting my computer, it defaulted to using the nouveau driver. My dual monitors worked perfectly in this setting, but I was no longer using my Nvidia GPU. I tried opening Nvidia Server Settings to switch the GPU from Intel to Nvidia and received the following error:



ERROR: Error querying target relations

** Message: PRIME: No offloading required. Abort
** Message: PRIME: is it supported? no

ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at either
/usr/share/nvidia/nvidia-application-profiles-331.38-key-documentation
or /usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
preopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.


Googling this error led me down a rabbit hole of fixes where I tried



sudo apt-get purge nvidia*


and then installing the driver manually by blacklisting nouveau, downloading the Nvidia driver myself, and then using the virtual console to install the driver:



sudo stop service mdm
sudo sh N-357.57.run
sudo start service mdm


or something like that. Unfortunately, when I restarted after this, Cinnamon broke and would only work in 'Fallback Mode', at which point I uninstalled the driver from the virtual console



sudo sh N-357.57.run --uninstall


and started up in nouveau. I reinstalled the Nvidia driver from the device manager and, somehow beyond all odds, managed to get my system back to its original state. The driver is installed and functioning:



$ inxi -xG                                                 [0/0]
Graphics: Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
Card-2: NVIDIA GM206 [GeForce GTX 950] bus-ID: 01:00.0
Display Server: X.Org 1.18.3 driver: nvidia
Resolution: 1920x1080@60.00hz
GLX Renderer: GeForce GTX 950/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 367.57 Direct Rendering: Yes


but I'm back to a situation where plugging in a VGA monitor loses my display settings, won't open the display app, and won't detect the second display.



Can anyone offer me any guidance? As I said, I'm new to Linux and, after this experience, I think I might be over typing in random commands I found online after Googling this problem. That led to bad things.



UPDATE



Here is the xrandr output with both monitors connected. It looks as though it sees them both but for some reason I can't get the 'display' app to open, nothing ever shows on the second monitor, and Nvidia Settings won't detect a second screen.



Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected
1920x1080 60.00 +
1680x1050 59.95
1280x1024 75.02 60.02
1440x900 59.89
1280x960 60.00
1280x800 59.81
1152x864 75.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
DVI-D-0 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected primary 1920x1080+0+0 531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
HDMI-2 disconnected









share|improve this question
























  • Please post the output of xrandr when you have both monitors connected.
    – MariusMatutiae
    Nov 17 '16 at 12:12










  • @MariusMatutiae ok done. Thanks!
    – Nate
    Nov 18 '16 at 17:10













up vote
1
down vote

favorite









up vote
1
down vote

favorite











I am very new to Linux and I'm having issues getting dual monitors to work in Linux Mint 18. I know that others have had issues with dual monitors and Linux, and I've scoured the forums and tried enough things that I broke the Cinnamon desktop at one point and it's only by luck that I managed to get back to the initial conditions.



I run Linux Mint 18 with a Nvidia GeForce GTX 950 graphics card. If I look in the Driver Manager, I can see that I'm running the driver 367.57-0ubuntu0.16.4.01. My main monitor is plugged in via a DVI cable and works great. If I plug a second monitor into the VGA port, I lose all my display settings and the second monitor never shows any input. I try to click on the Display application and it opens for a second and then closes. If I check the NVidia Server Settings application and hit 'Detect Displays', nothing happens. Only unplugging the VGA cable and restarting can return my main display settings.



I read that this could be an issue with the Nvidia drivers, so I tried:



sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings


This broke the Nvidia server settings. Restarting my computer, it defaulted to using the nouveau driver. My dual monitors worked perfectly in this setting, but I was no longer using my Nvidia GPU. I tried opening Nvidia Server Settings to switch the GPU from Intel to Nvidia and received the following error:



ERROR: Error querying target relations

** Message: PRIME: No offloading required. Abort
** Message: PRIME: is it supported? no

ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at either
/usr/share/nvidia/nvidia-application-profiles-331.38-key-documentation
or /usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
preopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.


Googling this error led me down a rabbit hole of fixes where I tried



sudo apt-get purge nvidia*


and then installing the driver manually by blacklisting nouveau, downloading the Nvidia driver myself, and then using the virtual console to install the driver:



sudo stop service mdm
sudo sh N-357.57.run
sudo start service mdm


or something like that. Unfortunately, when I restarted after this, Cinnamon broke and would only work in 'Fallback Mode', at which point I uninstalled the driver from the virtual console



sudo sh N-357.57.run --uninstall


and started up in nouveau. I reinstalled the Nvidia driver from the device manager and, somehow beyond all odds, managed to get my system back to its original state. The driver is installed and functioning:



$ inxi -xG                                                 [0/0]
Graphics: Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
Card-2: NVIDIA GM206 [GeForce GTX 950] bus-ID: 01:00.0
Display Server: X.Org 1.18.3 driver: nvidia
Resolution: 1920x1080@60.00hz
GLX Renderer: GeForce GTX 950/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 367.57 Direct Rendering: Yes


but I'm back to a situation where plugging in a VGA monitor loses my display settings, won't open the display app, and won't detect the second display.



Can anyone offer me any guidance? As I said, I'm new to Linux and, after this experience, I think I might be over typing in random commands I found online after Googling this problem. That led to bad things.



UPDATE



Here is the xrandr output with both monitors connected. It looks as though it sees them both but for some reason I can't get the 'display' app to open, nothing ever shows on the second monitor, and Nvidia Settings won't detect a second screen.



Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected
1920x1080 60.00 +
1680x1050 59.95
1280x1024 75.02 60.02
1440x900 59.89
1280x960 60.00
1280x800 59.81
1152x864 75.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
DVI-D-0 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected primary 1920x1080+0+0 531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
HDMI-2 disconnected









share|improve this question















I am very new to Linux and I'm having issues getting dual monitors to work in Linux Mint 18. I know that others have had issues with dual monitors and Linux, and I've scoured the forums and tried enough things that I broke the Cinnamon desktop at one point and it's only by luck that I managed to get back to the initial conditions.



I run Linux Mint 18 with a Nvidia GeForce GTX 950 graphics card. If I look in the Driver Manager, I can see that I'm running the driver 367.57-0ubuntu0.16.4.01. My main monitor is plugged in via a DVI cable and works great. If I plug a second monitor into the VGA port, I lose all my display settings and the second monitor never shows any input. I try to click on the Display application and it opens for a second and then closes. If I check the NVidia Server Settings application and hit 'Detect Displays', nothing happens. Only unplugging the VGA cable and restarting can return my main display settings.



I read that this could be an issue with the Nvidia drivers, so I tried:



sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings


This broke the Nvidia server settings. Restarting my computer, it defaulted to using the nouveau driver. My dual monitors worked perfectly in this setting, but I was no longer using my Nvidia GPU. I tried opening Nvidia Server Settings to switch the GPU from Intel to Nvidia and received the following error:



ERROR: Error querying target relations

** Message: PRIME: No offloading required. Abort
** Message: PRIME: is it supported? no

ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at either
/usr/share/nvidia/nvidia-application-profiles-331.38-key-documentation
or /usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
preopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.


Googling this error led me down a rabbit hole of fixes where I tried



sudo apt-get purge nvidia*


and then installing the driver manually by blacklisting nouveau, downloading the Nvidia driver myself, and then using the virtual console to install the driver:



sudo stop service mdm
sudo sh N-357.57.run
sudo start service mdm


or something like that. Unfortunately, when I restarted after this, Cinnamon broke and would only work in 'Fallback Mode', at which point I uninstalled the driver from the virtual console



sudo sh N-357.57.run --uninstall


and started up in nouveau. I reinstalled the Nvidia driver from the device manager and, somehow beyond all odds, managed to get my system back to its original state. The driver is installed and functioning:



$ inxi -xG                                                 [0/0]
Graphics: Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
Card-2: NVIDIA GM206 [GeForce GTX 950] bus-ID: 01:00.0
Display Server: X.Org 1.18.3 driver: nvidia
Resolution: 1920x1080@60.00hz
GLX Renderer: GeForce GTX 950/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 367.57 Direct Rendering: Yes


but I'm back to a situation where plugging in a VGA monitor loses my display settings, won't open the display app, and won't detect the second display.



Can anyone offer me any guidance? As I said, I'm new to Linux and, after this experience, I think I might be over typing in random commands I found online after Googling this problem. That led to bad things.



UPDATE



Here is the xrandr output with both monitors connected. It looks as though it sees them both but for some reason I can't get the 'display' app to open, nothing ever shows on the second monitor, and Nvidia Settings won't detect a second screen.



Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 connected
1920x1080 60.00 +
1680x1050 59.95
1280x1024 75.02 60.02
1440x900 59.89
1280x960 60.00
1280x800 59.81
1152x864 75.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
DVI-D-0 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected primary 1920x1080+0+0 531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
HDMI-2 disconnected






linux drivers graphics-card multiple-monitors linux-mint






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 18 '16 at 17:10

























asked Nov 16 '16 at 23:21









Nate

106113




106113












  • Please post the output of xrandr when you have both monitors connected.
    – MariusMatutiae
    Nov 17 '16 at 12:12










  • @MariusMatutiae ok done. Thanks!
    – Nate
    Nov 18 '16 at 17:10


















  • Please post the output of xrandr when you have both monitors connected.
    – MariusMatutiae
    Nov 17 '16 at 12:12










  • @MariusMatutiae ok done. Thanks!
    – Nate
    Nov 18 '16 at 17:10
















Please post the output of xrandr when you have both monitors connected.
– MariusMatutiae
Nov 17 '16 at 12:12




Please post the output of xrandr when you have both monitors connected.
– MariusMatutiae
Nov 17 '16 at 12:12












@MariusMatutiae ok done. Thanks!
– Nate
Nov 18 '16 at 17:10




@MariusMatutiae ok done. Thanks!
– Nate
Nov 18 '16 at 17:10










1 Answer
1






active

oldest

votes

















up vote
0
down vote













The output of xrandr shows that two screens are detected, one called DP-1, the other one called HDMI-1. Of course I do not know which one is which, so you will have to try either of these two commands:



 xrandr --output DP-1 --auto --right-of HDMI-1
xrandr --output HDMI-1 --auto --right-of DP-1


One of them ought to turn the silent screen on. If the screen goes black, shutdown, then on reboot try the other command.






share|improve this answer





















  • This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
    – Nate
    Nov 18 '16 at 21:55











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up vote
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down vote













The output of xrandr shows that two screens are detected, one called DP-1, the other one called HDMI-1. Of course I do not know which one is which, so you will have to try either of these two commands:



 xrandr --output DP-1 --auto --right-of HDMI-1
xrandr --output HDMI-1 --auto --right-of DP-1


One of them ought to turn the silent screen on. If the screen goes black, shutdown, then on reboot try the other command.






share|improve this answer





















  • This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
    – Nate
    Nov 18 '16 at 21:55















up vote
0
down vote













The output of xrandr shows that two screens are detected, one called DP-1, the other one called HDMI-1. Of course I do not know which one is which, so you will have to try either of these two commands:



 xrandr --output DP-1 --auto --right-of HDMI-1
xrandr --output HDMI-1 --auto --right-of DP-1


One of them ought to turn the silent screen on. If the screen goes black, shutdown, then on reboot try the other command.






share|improve this answer





















  • This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
    – Nate
    Nov 18 '16 at 21:55













up vote
0
down vote










up vote
0
down vote









The output of xrandr shows that two screens are detected, one called DP-1, the other one called HDMI-1. Of course I do not know which one is which, so you will have to try either of these two commands:



 xrandr --output DP-1 --auto --right-of HDMI-1
xrandr --output HDMI-1 --auto --right-of DP-1


One of them ought to turn the silent screen on. If the screen goes black, shutdown, then on reboot try the other command.






share|improve this answer












The output of xrandr shows that two screens are detected, one called DP-1, the other one called HDMI-1. Of course I do not know which one is which, so you will have to try either of these two commands:



 xrandr --output DP-1 --auto --right-of HDMI-1
xrandr --output HDMI-1 --auto --right-of DP-1


One of them ought to turn the silent screen on. If the screen goes black, shutdown, then on reboot try the other command.







share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 18 '16 at 17:35









MariusMatutiae

37.8k95195




37.8k95195












  • This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
    – Nate
    Nov 18 '16 at 21:55


















  • This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
    – Nate
    Nov 18 '16 at 21:55
















This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
– Nate
Nov 18 '16 at 21:55




This did not fix it. I typed xrandr --output DP-1 --auto --right-of HDMI-1 and nothing happened.
– Nate
Nov 18 '16 at 21:55


















 

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