我也双显卡的。。。在intel集成显卡下弄好了3D桌面 ubuntu本身就能识别intel集成显卡，所以跳过显卡驱动步骤，直接安装compiz就行了

autoremove 所有的 nvidia包就可以开3d了

如果非要安装NVIDIA驱动，

今天上网的时候，偶然发现了这个开源软件，刚刚更新，用于ubuntu下N卡的双显卡问题。大家可以去试试用一下。无需再禁用N卡。 https://github.com/MrMEEE/bumblebee#readme 这个网页上有安装步骤 http://www.martin-juhl.dk

 

ABSOLETE PROJECT: Please READ: http://www.martin-juhl.dk/2011/08/reassemble-of-the-bee/ and http://www.martin-juhl.dk/2011/08/ironhide-reporting-for-duty/         IMPORTANT: Ubuntu Users: Bumblebee has now been packaged into a PPA @ Launchpad: https://launchpad.net/~mj-casalogic/+archive/bumblebee/ This will probably be the most up-to-date version for Ubuntu from now on… For people currently running the script/git version please do : sudo bumblebee-uninstall sudo apt-get install ppa-purge sudo ppa-purge ppa:ubuntu-x-swat/x-updates sudo ppa-purge ppa:xorg-edgers/ppa sudo apt-add-repository ppa:mj-casalogic/bumblebee sudo apt-get update sudo apt-get install bumblebee openSuSE Users: Bumblebee has been ported to the openSuSE Build Service repository : http://download.opensuse.org/repositories/home:/Ximi1970:/bumblebee/openSUSE_11.4/ For people currently running the script/git version please do : sudo bumblebee-uninstall If you have used the nVidia package option: sudo bash NVIDIA-Linux-xxxxx-xxxx.run –uninstall If you have used the nVidia repository (mirror) option: rpm -e x11-video-nvidiaG02 rpm -e nvidia-computeG02 rpm -e nvidia-gfxG02-kmp zypper rr “nVidia Graphics Drivers (local mirror)” Install the nVidia repository and packages if you do not want to use the nouveau driver: zypper ar -f ftp://download.nvidia.com/opensuse/11.4 “nVidia Graphics Drivers” zypper install nvidia-gfxG02-kmp-`uname -r | cut -f3 -d”-“` zypper install x11-video-nvidiaG02 Installing bumblebee: zypper ar -f http://download.opensuse.org/repositories/home:/Ximi1970:/bumblebee/openSUSE_11.4 “Bumblebee” zypper install bumblebee or just use Yast to add the repositories and packages. # —————————————————————————- # “Red Bull License” #  wrote this file and is providing free support # in any spare time. If you need extended support, you can fuel him up by # donating a Red Bull here to get him through the nights..: # # http://tinyurl.com/bumblebee-project # # —————————————————————————- # # —————————————————————————- # “THE BEER-WARE LICENSE” (Revision 42): #  wrote this file. As long as you retain this notice you # can do whatever you want with this stuff. If we meet some day, and you # think this stuff is worth it, you can buy me a beer in return Martin Juhl # —————————————————————————- # #    This file is part of bumblebee. # #    bumblebee is free software: you can redistribute it and/or modify #    it under the terms of the GNU General Public License as published by #    the Free Software Foundation, either version 3 of the License, or #    (at your option) any later version. # #    bumblebee is distributed in the hope that it will be useful, #    but WITHOUT ANY WARRANTY; without even the implied warranty of #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the #    GNU General Public License for more details. #   #    You should have received a copy of the GNU General Public License #    along with bumblebee.  If not, see