Linked Questions
17 questions linked to/from Ubuntu 20.04 does not recognize second monitor
73
votes
10
answers
405k
views
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running
I just installed CUDA in a notebook like this:
sudo apt-get install cuda
Like said here.
The compilation works just fine but when I try to run I got the followin problem:
CUDA error at file.cu:128 ...
- 1,063
25
votes
13
answers
83k
views
External Monitor not working. Ubuntu, nvidia
I'm having a precision 7530 with i7-8850H and NVIDIA Quadro P2000 and using ubuntu 18.04. Now after some time the external monitor connected over displayport (displayport to hdmi cable, where the ...
- 353
14
votes
4
answers
87k
views
How to install nvidia driver with secure boot enabled?
I found this post:
nvidia-smi command not found Ubuntu 16.04 | Ask Ubuntu
Which says that with UEFI secure boot enabled nvidia-smi could not be found in Ubuntu:
$ nvidia-smi
nvidia-smi: command not ...
- 440
11
votes
3
answers
24k
views
Can't get internal and external monitor working simultaneously with 20.04 on laptop with AMD Ryzen 7 4800H and Nvidia RTX 2060
Short Version
On Ubuntu 20.04 cannot get internal and external monitor working at the same time.
Can have internal only with default drivers OR external only with manually installed NVIDIA driver. ...
- 113
2
votes
2
answers
8k
views
Ubuntu 20.04 does not recognize second monitor on Lenovo X1 Extreme Gen2
I followed my own guide in How to Create a Truly Portable Ubuntu Installation on an External USB HDD or SSD to create a portable Ubuntu 20.04 installation, in order to use it with my Lenovo X1 Extreme ...
6
votes
1
answer
5k
views
Ubuntu 20.04 does not detect my laptop screen
After some investigation, I found this thread that had a solution. I downgraded my nvidia driver to 435 - and it solved the issue, I can now use HDMI screen, but my laptop screen now is black and ...
- 61
0
votes
2
answers
9k
views
ubuntu 22.04 nvidia drivers not working properly
So, I have a GA107M[GeForce RTX 3050 Mobile] and after setup I installed the nvidia-driver-520 open kernel from additional drivers. PC unable to turn off, screen is glitchy and registering exactly 0,...
- 1
7
votes
2
answers
4k
views
Second monitor not detected, brightness not working... with Nvidia (GTX 1660ti) and Ubuntu 20.04 (kernel 5.4.0)
I've just bough a new Asus laptop (Ryzen 7 4800h, Nvidia GTX 1660ti), and I'm running into several graphic issues with Linux. As described in the title, so far, the issues are that the second screen ...
- 191
0
votes
1
answer
7k
views
Dock multiple monitors Ubuntu 20.04 LTS
I have an Asus ROG Strix laptop, specifications below.
Standing screen display size 15.6 Inches
Screen Resolution 1920 x 1080 pixels
Max Screen Resolution 1920 x 1080 Pixels
Processor 4.4 ...
- 216
1
vote
2
answers
3k
views
Cannot connect two external monitors. Ubuntu 20.04.02 on ThinkPad-P1-Gen-3
I have recently started using a linux system and I am trying to connect two external monitors using a docking station. I am using Thunderbolt 3 Workstation Dock and Ubuntu 20.04.2 LTS installed on my ...
- 21
3
votes
1
answer
2k
views
Update NVIDIA driver (two cards) on Ubuntu 20.04
Is there a way of specifying the device when updating a graphical card driver? In my case I have two graphical cards and driver updates get applied to just one of them Titan Xp. The one that I want to ...
- 83
1
vote
2
answers
3k
views
Ubuntu 20.04 not detecting main laptop display, but detects external monitor
Backstory: I installed Ubuntu 20.04 on my Laptop. My additional monitor was not working and Nvidia drivers were also not working. Settings > About was showing Integerated Intel card. Tried installing ...
- 11
0
votes
1
answer
778
views
Xserver detects my external monitors but not my integrated laptop monitor
I have a lenovo legion 5 with ubuntu 22.04 (I had the same issue with Ubuntu 20.04 and hoped that upgrading to 22.04 would solve the issue but it didn't). 2 external monitors and and the screen of the ...
- 249
0
votes
2
answers
722
views
External monitor not detected in Ubuntu 20.04
I installed Ubuntu 20.04 in a dual boot setup with windows 11. I am completely new to Ubuntu and have installed it to learn ROS on it. I am facing the issue of external monitor not being detected. My ...
- 1
2
votes
0
answers
685
views
Ubuntu 20.04 with external monitor keeps disconnected
I just switched to 20.04 on my laptop and I am having trouble getting my external monitor working similar to Ubuntu 20.04 does not recognize second monitor
However, I can connect to my monitor...until ...
- 21