I'm running Ubuntu 18.04 on my laptop, and I'm trying to use my second monitor through HDMI from my NVIDIA 1050 Ti card but it is not being recognized. Before reinstalling Ubuntu, it worked.

  • Hi, welcome to askUbuntu! have you installed drivers for your card? try installing from ppa as outlined here: linuxconfig.org/… – Joshua Besneatte Jul 11 at 14:57
  • Thanks @JoshuaBesneatte, thats what I did and it is working perfectly now – Manuel Fuentes Jimenez Jul 11 at 18:19

The way I have managed to fix this problem was by updating my video card driver to the latest as mentioned here.

Start by uninstalling your old NVIDIA driver,

sudo apt-get purge nvidia-*

and then follow these steps:

1. Add the PPA

sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt-get update

2. Install Video Drivers For Your Card

Now as posted in this answer, you need to install the recommended driver for your card.

sudo ubuntu-drivers devices

This will output something similar to this:

== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==

vendor   : NVIDIA Corporation
modalias : pci:v000010DEd00000DDAsv000017AAsd000021D1bc03sc00i00
model    : GF106GLM [Quadro 2000M]
driver   : xserver-xorg-video-nouveau - distro free builtin
driver   : nvidia-304-updates - distro non-free
driver   : nvidia-304 - distro non-free
driver   : nvidia-331 - distro non-free **recommended**
driver   : nvidia-331-updates - distro non-free

Then just install the driver labeled "recommended", so in this example it would be:

sudo apt-get install nvidia-331

Once this is done reboot and you should be good to go.

  • I am surprised this doesn't have an ask ubuntu answer... perhaps you can update your answer to include the info from linuxconfig.org.... link only answers are not great because the link could die or change. – Joshua Besneatte Jul 11 at 18:42
  • I went ahead and edited the answer to show you what it should look like :) – Joshua Besneatte Jul 11 at 18:47

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