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> There's a lot of stuff on the web about how to setup your nvidia card > with ubuntu. After a lot of work, I am able to switch between single > and dual monitor setup with an nVidia Quadro 1000M video card on my > Lenovo Thinkpad w520 running Ubuntu 11.10. The following is an > instruction list that worked for me. * BIOS: set to discrete and disable optimus detection * Backup: cp /etc/X11/xorg.conf /etc/X11/xorg.conf.original * OPTIONAL? I did this, but not sure if any of it is necessary sudo add-apt-repository ppa:ubuntu-x-swat/x-updates apt-get --purge remove ALL_THINGS_NVIDIA apt-get install --reinstall nvidia-173 nvidia-173-updates nvidia-settings apt-get install --reinstall nvidia-current nvidia-current-updates # necessary? * Run "sudo nvidia-xconfig" to replace the current xorg.conf file. Alternatively, you could use my config file, available [here](http://github.com/adgaudio/Nvidia-xorg.conf-for-Ubuntu/blob/master/xorg.conf_nvidia_without_dualmonitor) * Edit /etc/X11/xorg.conf and add the following to "Device" section BusId "PCI:1:0:0" Option "RegistryDwords" "EnableBrightnessControl=1" Option "NoLogo" "True" * Where the BusId bit is determined by the output of: $ lspci | grep -i nvidia | grep -i VGA | cut -d " " -f 1 * Add the following to /etc/modprobe.d/blacklist.conf blacklist vga16fb blacklist nouveau blacklist rivafb blacklist nvidiafb blacklist rivatv * Reboot, and if everything works, I highly recommend saving the xorg.conf file somewhere (like in a git repo) Notes: - If you want dual monitors, I HIGHLY recommend [disper](https://launchpad.net/~disper-dev/+archive/ppa). $ apt-add-repository 'deb http://ppa.launchpad.net/disper-dev/ppa/ubuntu YOUR_UBUNTU_VERSION_HERE main' $ apt-get install disper - If disper doesnt work (it will), you could do it the uglier way: run "nvidia-settings" and click the "detect monitors" button. Click "apply." (Don't "save" the settings because you'll probably overwrite the xorg.conf file that has your customizations in it.) - If you get a black screen on reboot and want to try hacking around, don't forget about these: - Hitting <CTRL><ALT><F1> to login to a terminal without X - Checkout man pages for xrandr, startx and X (though these may not work properly with the nvidia drivers) - If your hosed and want to undo everything, change the BIOS back to its original settings (probably Integrated Graphics) and replace (or remove) the xorg.conf file $ cp /etc/X11/xorg.conf.original /etc/X11/xorg.conf ## Don't forget to unblacklist the stuff in blacklist.conf! ## $ sudo reboot ## Did you change the BIOS?