34
votes
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running
You may want to install cuda toolkit. Using the following command to install it.
sudo apt install nvidia-cuda-toolkit
Once the installation is done, reboot the machine. nvidia-smi should work.
- 541
29
votes
Accepted
How am I supposed to use nvidia-prime?
You need to have both Nvidia proprietary drivers and nvidia-prime to get it working. This can be done by running
sudo apt-get install nvidia-346 nvidia-prime
for Ubuntu 14.04 and 15.04.
Then you ...
- 88.1k
29
votes
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running
If your nvidia-smi failed to communicate but you've installed the driver so many times, check prime-select.
Run prime-select query to get all possible options. You should see at least nvidia | intel.
...
- 399
25
votes
What is the difference between optirun and primusrun?
Bumblebee is the current workaround for using Nvidia optimus with linux.
At the heart of bumblebee has been VirtualGL which is now being superseded by Primus.
If you have Bumblebee you'll know that ...
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22
votes
bumblebee doesn't work on Ubuntu 18.04
There was one major change in nvidia driver that prevents bumblebee from working - glvnd (https://github.com/NVIDIA/libglvnd). In short, bumblebee is running a separate instance of xorg on a separate ...
- 511
19
votes
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 disabled the Secure Boot and it worked pretty fine.
@rod-smith aswered another question more specific explaining how to do it, basically is a setup config, but he also write a good article about ...
- 1,003
18
votes
Accepted
Do I need to install Bumblebee for Hybrid Graphics system to enable Optimus on Ubuntu 16.04?
Currently, you have (at the best of my knowledge) three possibilities regarding Nvidia hybrid graphics (the so-called Optimus technology) under Linux:
Bumblebee. While this project might seem dead, ...
- 296
14
votes
Accepted
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running
The solution by Markus lead me to a better solution. So it has to do with Secure Boot, but it is not necessary to deactivate.
To fix the problem, just do 3 steps: Deactivate the Nvidia driver by ...
- 1,157
14
votes
Accepted
Screen tearing on Nvidia GTX960m
I have two hybrid laptops running 17.04, an old ThinkPad and a P50 (2016). These are Nvidia Optimus machines, both with the 'enterprise class' Quadro graphics and proper hardware multiplexing which ...
- 2,105
12
votes
How am I supposed to use nvidia-prime?
you can also do
sudo prime-select intel
(or nvidia or query)
Ubuntu 18.04.1 repositories have been updated with a partial backport of work from 18.10 which dramatically improves the Optimus ...
- 2,105
12
votes
Installing Ubuntu On Dell Precision 5510
How to Install Ubuntu 16.04 LTS on the Dell Precision 5510
[edit: Aside from the "Allow Linux to see your storage device" step, on newer install media, this guide is no longer necessary. Just install ...
- 123
12
votes
Accepted
Ubuntu 20.04 Installing Nvidia drivers
So I had a total disaster with "Bumblebee". I entered the above commands but they caused all sorts of weird responses resulting in me having to give up and just re-install a clean copy of ubuntu 20.04 ...
- 281
11
votes
Accepted
Bumblebee Intel+Nvidia on 15.10 blackscreen issue
As you have quite new GPU hardware you should use new NVIDIA drivers and software as well.
Replace bumblebee with nvidia-prime to switch between integrated and dedicated graphics.
Reinstall the ...
- 30.7k
11
votes
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running
since I cannot comment on @Rodolfo's answer above (not enough reputation), I am adding a new answer.
On my machine I had to configure Secure Boot accordingly to my OS. I have an ASUS mainboard ...
- 129
10
votes
How to set up nVidia Optimus/Bumblebee in 14.04
I have been facing the same issue for quite some time. I had to reference many article online however I never got any help.
So I wrote a blog post of my own and I got very positive response. Many ...
- 204
9
votes
Accepted
Ubuntu 18.10 external monitor with intel graphics
The short version:
Your laptop's HDMI port is wirred to the nVidia card in Hardware. No software solution can change this, you need to resort to a mini-DP --> HDMI hardware convertor to make this ...
- 98.8k
8
votes
Accepted
How to use "prime-select on-demand" in latest Kubuntu 19.10
This is a confusing new 'option' that isn't described and generally of no use to most users. The bug report that lead to this being added stated -
"Per current NV and intel GPU driver, if we load ...
- 16.8k
7
votes
Bumblebee Intel+Nvidia on 15.10 blackscreen issue
Although everything seemed to work, trying the following shows the bbswitch cannot turn off the nvidia card properly:
cat /proc/acpi/bbswitch
primusrun glxinfo|grep OpenGL
sleep 1
cat /proc/acpi/...
- 71
7
votes
Bumblebee Intel+Nvidia on 15.10 blackscreen issue
Managed to get bumblebee to work in Wily after way too much unnecessary headaches, without that nvidia-prime horribleness.
As others suspected, it's because of gpu-manager. Whatever that is, it is ...
7
votes
Accepted
Module 'nvidia-361' is not found
As you have a quite new CPU and GPU - there might be some incompatibilities. Use the following method to install the NVIDIA drivers. First of all uninstall the currently installed NVIDIA drivers and ...
- 30.7k
7
votes
How to use "prime-select on-demand" in latest Kubuntu 19.10
In ubuntu 19.10 xorg needs some patches that are only available for 18.04 and 19.04 here
You can read all information here
first you need to remove intel drivers to use software based rendering (...
- 525
6
votes
primus: fatal: Bumblebee daemon reported: error: Could not load GPU driver
I had the same problem.
I solved changing some lines in file /etc/bumblebee/bumblebee.conf: (In my case I'm using the version 352 of nvidia driver, change this value by your driver version)
...
- 61
5
votes
Accepted
Battery drains very fast on Ubuntu
You have hybrid graphics. Both adapters are powered all the time and that is way battery life is low. Nvidia adapter is new. So you need to install drivers. Run in terminal
sudo add-apt-repository ...
- 88.1k
5
votes
How to use CUDA with NVIDIA Prime
In my case I found that the NVidia card was not actually turned off, and the only thing I actually needed to do to run CUDA code was:
export LD_LIBRARY_PATH=/usr/lib/nvidia-352
in the shell where I ...
5
votes
Accepted
Disable NVIDIA Optimus Graphics Card
Uninstall the proprietary NVIDIA drivers and disable the use of the nouveau drivers.
Open a terminal and execute :
sudo apt-get install gksu
gksudo gedit /etc/default/grub
Add nouveau.modeset=0 ...
- 30.7k
5
votes
Accepted
Nvidia prime or optimus
I think you're confusing technologies here.
NVIDIA Optimus is the codename for the dual graphics card split enjoyed by a wide variety of "gaming" laptops with "dedicated" graphics. It has nothing to ...
- 33.7k
5
votes
No Audio Over HDMI on NVIDIA GeForce GTX 1050 Ti
Many thanks to Rudi Daemen. The audio problem on my GTX 1060 was solved by his solution. You can try his solution:
Create file /etc/systemd/system/fix-hdmi-audio.service
[Unit]
Description=nVidia ...
- 892
5
votes
My Nvidia dGPU isn't detected after updating to 19.10
nvidia-prime has changed yet again between Ubuntu 19.04 and 19.10.
Between Ubuntu 16.04 and Ubuntu 18.04, Ubuntu used bbswitch, a community built kernel module, to turn off the Nvidia GPU in Optimus ...
- 320
4
votes
Accepted
How to use NVidia Gpu simultaneously with intel HD
Based on your query in http://ubuntuforums.org/showthread.php?t=2291771 and the answers there, what you are asking for is not possible.
From the forum:
From my understanding of Nvidia Optimus ...
- 30.8k
4
votes
Accepted
Ubuntu 14.04 : Installing cuda 7
I managed to get it working after running the following commands:
sudo apt-get clean
sudo apt-get autoclean
sudo apt-get autoremove
sudo apt-get install -f
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Only top scored, non community-wiki answers of a minimum length are eligible