Questions tagged [dual-graphics]
32 questions
24
votes
5 answers
How to configure iGPU for xserver and nvidia GPU for CUDA work
I have an Intel onboard GPU and NVIDIA GPU. I am running Ubuntu 18.04.
How do I configure a dual GPU setup so that Intel onboard iGPU will drive the monitor, leaving NVIDIA GPU exclusively for Machine Learning CUDA work?
stason
- 661
15
votes
7 answers
Internal laptop screen not detected when using Nvidia driver
So, for a bit of background: I'm using Ubuntu 18.04 on an HP laptop, which uses a dual GPU setup. Before, I have been using it with just the Nouveau driver, but recently I wanted to add in a second monitor so I switched to the proprietary Nvidia…
Hoshi
- 151
8
votes
1 answer
Dual GPU, Dual monitor: second monitor black with a shadow of the mouse
I have a monitor connected to each of my GTX 980 Ti, on Ubuntu 16.04.
The NVIDIA X Server setting is successfully detecting two monitors and two screens with the absolute position of screen1 set to +1920+0.
Here is my xorg.conf file:
#…
Amir
- 221
8
votes
2 answers
How can I run glmark2 on the dedicated GPU?
My laptop has a dedicated GPU, it is an AMD Radeon HD 6300. How can I test it with glmark2?
By default it is using the iGPU. glmark2 man page doesn't show an option to choose the dGPU.
Necktwi
- 1,087
5
votes
4 answers
White screen on second monitor Ubuntu 22.04
When I boot up Ubuntu on my dual boot laptop, the Ubuntu logo appears on both screens (connected with HDMI through Nvidia 1650) along with the HP logo, but the second I login, everything goes white on the second monitor. As I use the mouse on the…
iceman
- 51
4
votes
1 answer
Use integrated GPU for desktop display and leave dedicated GPU for computing tasks on Ubuntu 22.04
I have just built a desktop for Deep Learning, using Ubuntu 22.04.
My purpose is straightforward - use IGPU (i7 13700K) for display purposes and leave DGPU (RTX 3090) free for Deep Learning tasks.
In the past, I had done this successfully on my…
neji96
- 41
3
votes
1 answer
lspci | grep VGA does not detect my dedicated AMD Radeon HD 8550M / R5 M230 in ubuntu 14.04 64 bit
My Ubuntu 14.04 in Lenovo b40-70 do not detect my AMD/ATI Radeon HD 8550M / R5 M230 , it shows only Intel integrated graphics card here's the output :
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller…
gunjan parashar
- 1,377
2
votes
1 answer
Ubuntu will not detect integrated graphics card on Macbook Pro
I have been attempting to enable graphics card switching through bumblebee or Nvidia Prime. I successfully installed both, however I was unable to get Nvidia Prime to actually give me the option to view prime profiles.
I believe the reason is that…
fredhotdog
- 21
2
votes
1 answer
Swapping between video cards on Ubuntu 16.04
With Ubuntu 16.04, fglrx and Catalyst Center is no more. How can I change my primary video card on dual graphic systems like Intel/AMD or AMD/AMD. Is there a script for this, or a good manual?
Update 1: I found a manual about vgaswitcheroo. It just…
lev258
- 281
2
votes
1 answer
Ubuntu 16.04LTS extended display not working - 2 cards
New build with 2 Geforce 710 cards and 3 monitors. Loaded Ubuntu 16.04. and with the standard driver all 3 monitors showed in system settings => display. But, experienced problems such as screen flicker, occasional system freezing and could not get…
BruceS
- 21
1
vote
0 answers
Why is my computer crashing when the discrete graphic card is turned off?
I have experienced overheating with the default installation of Ubuntu 16.04 on my MSI Destroyer notebook with dual graphic card (see relevant part of output of sudo lspci -v at bottom). After some searching I've concluded that somehow everything to…
Kostrahb
- 131
1
vote
1 answer
Dual graphics set up: NVIDIA and Intel, possible?
I'm running Ubuntu 14.04 on a system with an NVIDIA Geforce GTX 950 graphics card. I had no problems until I switched on the iGPU (Intel HD Graphics 4600) in the UEFI settings. I want to use the NVIDIA card for some CUDA computation and the…
1
vote
0 answers
Set Xorg and gnome-shell to run on a single graphics card
I have two Nvidia graphics cards in my PC. I would like to have gnome-shell and Xorg to run only one of them. In this case on GPU 0 only. How can I configure that? Here is the output of nvidia-smi.
I have a GTX970 and RTX 3090. I use the RTX 3090…
user3328923
- 151
1
vote
1 answer
Cannot run Ubuntu after installation. Black Screen
I installed Ubuntu LTS 20.04 beside Windows.
When I'm running Live version by USB, it's working. But when I'm trying to run from grub, i see only black screen and my keyboard is not working also. So i cannot use Ctrl+Alt+F2 command, nomodeset also…
1
vote
1 answer
Ubuntu 20.04 Hangs when "Try ubuntu" on install
When I boot an external HDD (fat32) and click on "Try Ubuntu", the system hangs, it has no cursor and the hard drive is doing nothing, I have no choice than to hard shutdown the laptop.
I have a Windows boot partition on an SSD, maybe it is the…
Valdaria
- 31