Ubuntu12.04 dual-card configuration (N cards)

Ubuntu12.04 dual-graphics card configuration (N-card) the current notebook usually has two graphics cards, but NVIDIA dual-graphics card switching technology only supports indows, does not support linux, therefore, if you want to switch between two graphics cards in linux, you can only use third-party software. Here we use a Bu... ubuntu12.04 dual-graphics card configuration (N-card) the current notebook usually has two graphics cards, but NVIDIA dual-graphics card switching technology only supports indows, does not support linux, therefore, if you want to switch between two graphics cards in linux, you can only use third-party software. Here we use a software called Bumblebee (Bumblebee) to switch the N-card dual-graphics card in linux. 1. update the video card information. Otherwise, the system may fail to recognize the video card. run the following command: after sudo update-pciids is updated, you can use ~ Lspci | grep-I vga: Check the video card model to see if it is properly recognized. 2. install "bumblebee": Command: sudo add-apt-repository ppa: bumblebee/stablesudo apt-get updatesudo apt-get install bumblebee bumblebee-nvidia3, logout, after logging on again, you can obviously feel that the fan speed is slowing down. check the following n-card status :~ Lspci | grep-I vga, you can see that the n card has been closed; 4. if you want to run a large program, you can run it using the optirun command, for example :~ Optirun glxgears is to run the glxgears program with N Cards 5. Open N card settings: Command: optirun nvidia-settings-c: 8 (OVER)