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Prior to ubuntu 14.04 this question was valid - now its not an issue - I have an Nvidia card with Optimus and suffered getting things like WebGL to work properly and had to resort to using bumblbee in prior years - however when I did a clean drive wipe / install 14.04 even the default nouveau drivers now render graphics like a champ - WebGL is now effortless ...


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Currently (as of 13.04 IIRC) if you download the NVIDIA binary driver via Additional Drivers, it will automatically install nvidia-prime along with it. Then, once you install and reboot, you can change to discrete graphics by changing the renderer under the PRIME section in nvidia-settings, and X11 will use it on the next login. However, I find that this ...


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No. As far as when, no clue but no time in the near future, if ever. Would be a better thing if nvidia could fix the total lack of vsync in nvidia-prime.


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Downgrade BIOS on Lenovo T440p from 2.22 to 1.14 resolved mine problems. BIOS update utility : http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS037575 I've ran file 'gluj04us.exe' (1.14 BIOS) from Windows 7, then Laptop restarted 3 times (flash operations). After 4th reboot laptop I've reinstalled Ubuntu 14.04 and every hardware stuff ...


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You could try the aforementioned kernel patch from airlied. z06kris on the 01.org forum posted a how-to for Ubuntu 14.04, which works for me.


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You may have a Steam shortcut on your desktop. If so, you can right click on that shortcut, select Properties, and modify the command to include primusrun. You should insert it just before the wine command, with a space to either side of primusrun


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Here is a variant of the above, and a solution - for THIS case, possibly helping in the other cases too. SIDENOTE 1: if you do not run nvidia-settings with gksudo ... THE FIRST TIME (and do not have "$HOME/.config/ibus/" at that time) you will end up seeing: IBUS-WARNING **: The owner of /home/$USER/.config/ibus/bus is not root! Then refer back to ...


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clean installing Ubuntu trusty, installing all the updates, then installing bumblebee seems to have solved the problem nvidia-prime must have been causing the x not starting issues, and now bumblebee isworking, so i can use my nvidia and still have my hotkeys.


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If you encounter the problem with prime like an empty popup error in nvidia-settings panel you can see the bug in Launch Pad 1310023. I have encounter a similar problem and I can correct them with that: sudo update-alternatives --config x86_64-linux-gnu_gl_conf sudo ldconfig -n sudo update-initramfs -u then reboot and see if it works


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I have bought the same laptop ( Asus Zenbok ux302LG with nvidia secondary board). It has been a nightmare but finally I have the nvidia board working under Ubuntu, while still keeping Windows alive in a dual boot mode. This is what I did: 1 Enable BIOS->CSM (comptability module) In Windows, shrink any partition you prefer and make free space and/or ...


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Switch back to running the NVidia card with Nouveau or the Intel integrated card with Intel drivers, for as you state when you do so "the Microphone mute, ThinkVantage key, and brightness all work fine."


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There are two things that you need to do. Try fixing your software packing system. Then test the various drivers that are provided by default in the repository. Try using the procedure described here to fix the integrity of your packaging: I can't edit, update, remove or install my broken packages Perform the loop of: $ sudo apt-get autoremove $ ...


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Not to be snide or superior, but I find that archlinux works very well with wine and the nvidia packages. Granted, I don't have an optimus capable GPU, so results may vary.



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