Ubuntu 安装Cuda8后，分辨率不能调节的解决方案

不知道从哪里找到的这个方案，反正是能解决了这个问题：

重新升级了CUDA以后，发现在安装CUDA8.0后，分辨率变成800×600，而且不能改变，最终在网上找到了这个方法，运行下面几行代码，然后重启就好了，具体原因还是不是很清楚。

sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backupsudo touch /etc/X11/xorg.confsudo reboot

下面是错误信息，在重新安装完成显卡驱动后，进入桌面，会出现下面的错误：

Could not apply the stored configuration for monitorsnone of the selected modes were compatible with the possible modes:Trying modes for CRTC 63CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0)CRTC 63: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1)Trying modes for CRTC 64CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0)CRTC 64: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1)Trying modes for CRTC 65CRTC 65: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0)CRTC 65: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1)Trying modes for CRTC 66CRTC 66: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 0)CRTC 66: trying mode 640x480@60Hz with output at 1366x768@60Hz (pass 1)