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1. #Dual login not working on messages for mac how to#
2. #Dual login not working on messages for mac driver#

Hope this also helps you and many others! # This file was generated by nvidia-prime sudo nano /lib/modprobe.d/nfĪnd comment out the the nvidia-drm modeset option. Open the file in your favorite editor (vim, nano, gedit, etc.). It will not be reset, because prime-select only writes this file when it does not yet exists. You can simply undo the change made by prime-select by commenting out this option. It enables the nvidia-drm modeset option.

I discovered that prime-select writes a configuration file which causes the problem. At first the external monitor worked perfectly, but after I switched from power saving mode ( sudo prime-select intel) back to performance mode ( sudo prime-select nvidia), the second monitor was not detected anymore.

#Dual login not working on messages for mac driver#

I recently installed the nvidia-418 driver on my laptop which uses Ubuntu 18.04. I got it working thanks to this mans hint at askubuntu forum:

#Dual login not working on messages for mac how to#

I booted from a live ubuntu usb stick and without external montior it worked normally but with external monitor I got the following error message:Īny ideas how to get the monitor working? Thank!

Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192ĮDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mmġ920x1080 60.03*+ 60.01 59.97 59.96 59.93 48.02ĭP-1 disconnected (normal left inverted right x axis y axis)ĭP-2 disconnected (normal left inverted right x axis y axis)

Xrandr says with connected displayport monitor: I have also installed the nvidia 390 driver. During the time it worked and now I have done normal ubuntu software updates where also the bios-firmware has been updated to 1.5.2 (i'm not sure what version i've had before, was the first time i updated firmware after bought, so maybe 1.0.7?). But at home I do not have any dock and with the setup mentioned above the external monitor stopped working. I'm using this workstation at work with the TB18DC dock, where 2 external montiors are connected and work properly. Now after some time the external montior connected over displayport (displayport to hdmi cable, where the displayport goes into the laptop and the hdmi cable into the monitor) stopped working. I'm having a precision 7530 with i7-8850H and NVIDIA Quadro P2000 and using ubuntu 18.04.