After more than five years of setting up Ubuntu on various computers, for the first time I am at the verge of giving up on a case.
The issue is setting up proper graphics drivers for the NVIDIA GeForce GTX 960.
The default Nouveau driver does not seem to recognize resulutions above 1024, I don't think it will support multi-monitor, and overall I think I will get suboptimal performance. That leaves the official drivers from NVIDIA. I tried installing them from the "Additional drivers" utility in Ubuntu. Installation seems to finish without errors.
I then reboot, get a quick Ubuntu splash screen (little progress bar of dots on a purple background), and then it drops to a completely black screen with a little blinking prompt line in the upper left. It never seems to move on from that, so the only option is to reboot. This will then lead to the same place, unless I go to recovery mode and purge everything NVIDIA.
- This was all done on a clean install of 14.04 and 15.10 (I tried both).
- Monitor is connected with DisplayPort.
So I am out of ideas, and am hoping that someone here might help.
If someone knows a way of setting up multi-monitor with Nouveau, that could also be an alternative.
Things I have tried:
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Boot flag "nomodeset" (in fact seens to be necessary to boot at all with 15.10)
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Boot flag "acpi=off" (This leads to a stop at the purple screen, instead of the black screen)
List of relevant hardware:
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CPU: Intel i7 5820K (Haswell)
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Motherboard: ASUS X99-A
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RAM: DDR4 2133MHz
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GPU: MSI GeForce GTX960 2GB
Errors I have seen here and there at boot/install. Not sure about relevance:
- "acpi pcc probe failed"
Best Answer
So I finally got it working, in one more iteration of trying different things. (Yes there were many attempts...)
This is what I did:
Set blacklist.conf according to here: http://ubuntuforums.org/showthread.php?t=2263316 This included fixing the typo "nouveua".
sudo service lightdm stop
sudo apt-get install nvidia-352
nvidia-xconfig
sudo service lightdm start
And then it worked!
I think having the monitor connected to the DVI-port while installing the driver is important. My previous attempts used the DP-port while installing the driver. Switching to DVI after driver install did not help. I connected two additional monitors to DP-ports, and my desktop was extended flawlessly. So it's not that DP doesn't work, but it may be a requirement of at least one DVI monitor to get it set up correctly.
Note that I myself do not have a full understanding of what I did with blacklist.conf and the boot option "nomodeset". Neither do I know if it was crucial to do the install in a ctrl+alt+F1 with a killed GUI. One or many of these things may have been unnecessary. Perhaps others will enlighten us.