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Even if this a little bit late but I have fallen into the same issue. If your nvidia card has an hexadecimal PCI-Bus number (maybe 0a:00:0) here might be solution (at least for me). https://github.com/Bumblebee-Project/Bumblebee/issues/573 Find out where your bumblebeed binary is and then: sudo cp /usr/sbin/bumblebeed{,.orig} sudo sed -i ...


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You might try to restore the original /usr/lib/xorg/modules/extensions/libglx.so from xserver-xorg-core . That's what I did in a similar situation. Here's how: First confirm that it has indeed been replaced by the nvidia install: debsums xserver-xorg-core | grep libglx.so If it shows FAILED, it means that it has actually been replaced, and you could try ...


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New kernel for 14.04 uses a special video patch for nvidia video drivers to work. I encountered similar issues while trying to install the genuine nvidia driver from nvidia.com (after a fresh install of Ubuntu 14.04!!!). So, you need to either perform a fresh install of Ubuntu 14.04 after you backup your home user data because the kernel for 14.04 is simply ...


0

Using information from the LaunchPad link above and this link on installing/re-installing Nvidia Primus, I was able to re-implement my external monitors. This answer is not a permanent solution, but rather a detailing of the workaround that was suggested in the LaunchPad issue. Basically, I did the following: Purged existing Nvidia drivers/Optimus-related ...


3

I'm the OP of the askubuntu question linked in the bug. It's hard to tell how I got it to work, but my recommendation would be: sudo dpkg -i ubuntu-drivers-common_0.2.91.5_amd64.deb nvidia-common_0.2.91.5_amd64.deb sudo apt-mark hold ubuntu-drivers-common sudo apt-mark hold nvidia-common sudo apt-get purge nvidia* bumblebee* sudo apt-get install ...


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First, check that your drivers are up to date running sudo apt-get update && apt-get upgrade. If this does not help, you can manually test the drivers in System settings -> Additional drivers. There, you should see a list of video drivers, both open source and closed source. Try with them to see which one works. Sometimes the closed source one is ...


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If you are using a NVIDIA binary driver (you can check by searching for the Additional Drivers program and looking at which driver is selected), then you can use the Nvidia X server settings to change which gpu is used. To launch the Nvidia X server settings, either search for "Nvidia" in the dock or launch the program from the terminal using ...


1

Trying it can't do any harm. Use the following command before and after the switch. >ou should see a drop/rise in mW being used: # grep rate /proc/acpi/battery/BAT0/state switch off your NVIDIA card using # echo OFF > /sys/kernel/debug/vgaswitcheroo/switch If your laptop now uses less mW, then you get a longer battery life.


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Not entirely sure how I fixed it the first time on this system, however I have learned a lot on this issue, and if anyone else is having similar issues or symptoms, please feel free to PM me or do something to contact me, and I"ll be glad to help (a bit). I'll tell how I got my Nvidia drivers to work on my latest try. Note that I haven't quite gotten my ...


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The xorg.conf file may be the issue. I had to change text inside my /etc/X11/xorg.conf file. Specifically, the last lines of this file include text that disables composite graphics. Section "Extensions" Option "Composite" "Disable" EndSection I had to comment out those lines for my NVIDIA card to work properly. I did this by adding a pound ...



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