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It's not the best help, but I'm experiencing a lot of problems trying to install nvidia drivers for my GT740M. While Geforce.com informs to us that driver 331.20 supports GT740M, by executing "grep -FN 'NVRM:' /var/log/kern.log", I can see: 52044:Apr 11 13:24:13 NAUTILUS kernel: [ 3270.758568] NVRM: The NVIDIA GPU 0000:0a:00.0 (PCI ID: 10de:1292) 52045:Apr ...


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Today I found the following comments on /var/log/kern. 52044:Apr 11 13:24:13 NAUTILUS kernel: [ 3270.758568] NVRM: The NVIDIA GPU 0000:0a:00.0 (PCI ID: 10de:1292) 52045:Apr 11 13:24:13 NAUTILUS kernel: [ 3270.758568] NVRM: ***installed in this system is not supported by the 331.20*** 52046:Apr 11 13:24:13 NAUTILUS kernel: [ 3270.758568] NVRM: NVIDIA Linux ...


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cd to the game dir, then try optirun wine speed.exe or optirun bash wine speed.exe


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This worked for me: optirun sh ./PART TO .sh FILE/myfile.sh Example to run Android-studio: optirun sh /opt/android-studio/bin/studio.sh


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I followed the instructions of Chris's answer, typing following commands (Just after having installed ubuntu): sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade sudo apt-get purge nvidia sudo apt-get update && sudo apt-get dist-upgrade sudo add-apt-repository ppa:bumblebee/stable sudo add-apt-repository ...


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You are installing nvidia twice. apt-get install bumblebee-nvidia pulls in the current nvidia package. Also, you only need to install one version of bumblebee, not both. Remove bumblebee. bumblebee-nvidia, and the nvidia driver, then run apt-get install bumblebee-nvidia primus. That should fix the issue.


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This is what worked for me, and am pretty sure will work for you as well. My pc: 8gb ram, GT 540M, i7. Install Nvidia Driver Instruction bellow are what I have found in another website witch I copied all text. Can't remember the site tho:/ I had to add the PPA to my system from the Xorg-Edgers PPA sudo apt-add-repository ppa:xorg-edgers/ppa Then ...


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Nvidia support for Linux is actually terrible, my first laptop with Nvidia optimus made me lose 1 week to properly install the first version of bumblebee. Bumblebee only runs a program if you ask it to, with the optirun or primusrun. You can uninstall bumblebee and install it easily again, but I don't think there is a way to disable it since you need to ...


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You can check that using cat /proc/acpi/bbswitch: $ cat /proc/acpi/bbswitch 0000:01:00.0 OFF If for some reason it stays on when you are not using it, check your Bumblebee configuration (stored in /etc/bumblebee/bumblebee.conf), more precisely the PMMethod value.


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By default, the Nvidia card is disabled in Bumblebee. But you can run a program with your Nvidia card using optirun <program name>. If you installed primus, you can use primusrun <program name>. Example: glxgears for FPS without Nvidia. optirun glxgears for FPS with Nvidia.


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I GUESS, it is a problem with the nvidia driver. Reading the link you posted, on how you installed bumblebee, I see that you installed the nvidia driver manually. My suggestion is to change runlevel by pressing: STRG + ALT + f6 then stop the window-manager sudo stop lightdm and uninstall the nvidia driver sudo apt-get remove --purge nvidia Since you ...


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An answer to anyone also having this problem: install the nvidia-331 drivers! http://www.muktware.com/2013/12/install-nvidia-331-bumblebee-optimus-cards/18271 I'm running on Clevo W350ST/Sager NP7352, Ubuntu 12.04 LTS x64, with an Optimus Nvidia GTX 765M. It took me forever to figure this out, so hopefully this can help someone.


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Using primusrun instead of optirun solves this problem. Primus is a different bumblebee backend with better performance (less overhead) and less power usage (second GPU only used for OpenGL parts of the program). You install primus with sudo aptitude install primus and run it with: primusrun your_cool_program This is far easier to use in scripts than ...



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