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+---- Thread: [Ubuntu] Display settings showing unknown display (Dual monitor) (/showthread.php?tid=6055448)
Display settings showing unknown display (Dual monitor) - zetza - Mar 8, 2020
Hey
I'm having an issue where I can't connect an external monitor to my laptop running Ubuntu 18.04.4 LTS. The display is connected through HDMI, and in my display settings it's showing the following:
![[Image: e4MWZcB.png]](https://i.imgur.com/e4MWZcB.png)
My laptop is an ASUS TUF FX504GM, here's some info about the graphics card
Code
➜ ~ ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00001C20sv00001043sd00001391bc03sc00i00
vendor : NVIDIA Corporation
model : GP106M [GeForce GTX 1060 Mobile]
driver : nvidia-driver-390 - third-party free
driver : nvidia-driver-415 - third-party free
driver : nvidia-driver-440 - third-party free recommended
driver : nvidia-driver-435 - distro non-free
driver : nvidia-driver-410 - third-party free
driver : xserver-xorg-video-nouveau - distro free builtin
== /sys/devices/pci0000:00/0000:00:14.3 ==
modalias : pci:v00008086d0000A370sv00008086sd00000034bc02sc80i00
vendor : Intel Corporation
manual_install: True
driver : backport-iwlwifi-dkms - distro freexrander log:
Code
➜ ~ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected primary 1920x1080+0+0 0mm x 0mm
1920x1080 77.00*I've tried a bunch of things, including this without any luck unfortunately:
Code
sudo apt-get purge 'nvidia*'
sudo add-apt-repository ppa:graphics-drivers
sudo apt-get update
sudo ubuntu-drivers autoinstall
sudo prime-select nvidiaAny help is appreciated