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I have been facing the same issue for quite some time. I had to reference many article online however I never got any help. So I wrote a blog post of my own and I got very positive response. Many people haver confirmed that the post was helpful. I have refined the blog post to make it even easier to use. One could easily just copy and paste the commands from ...


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I finally have this working in a repeatable way. I have the w540, ultra docking station and 3 displays (monitors are all the same brand). I have the DVI and VGA from the docking station, and then the VGA port on the laptop itself. The big change for me is that if I leave the lid open and then hit F7, it all works smoothly. If I close the lid it causes lag. ...


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I think the problem is that current version of Nvidia drivers in Ubuntu does not support this card. You can try to install a newer version. Run in terminal. sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update sudo apt-get install nvidia-346 sudo add-apt-repository -r ppa:xorg-edgers/ppa Also it makes sense to upgrade kernel and graphical stack ...


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Setting TurnCardOffAtExit to false in /etc/bumblebee/bumblebee.conf fixes the issue. The card will not be turned off during shutdown. More info: https://wiki.archlinux.org/index.php/Bumblebee#Enable_NVIDIA_card_during_shutdown Hardware details of Dell E6530: http://hw.rosalinux.ru/index.php?probe=bab3304e66



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