我刚刚全新安装了 Ubuntu 12.04 LTS，并从其网站安装了 nvidia 驱动程序（304.60 最新长寿分支）。
它们就是不工作。分辨率降到了 640x540 左右。我运行 sudo nvidia-xconfig 得到以下结果：
Using X configuration file: "/etc/X11/xorg.conf".
Backed up file '/etc/X11/xorg.conf' as
'/etc/X11/xorg.conf.backup'
New X configuration file written to '/etc/X11/xorg.conf'
但是当我尝试使用 nvdia-settings 打开设置时，我得到：
You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server.
因此我重新启动了 X 服务器（sudo restart lightdm），但再次得到相同的结果。
这是我的 xorg.conf 文件：
memecs@memecs-drz:~$ cat /etc/X11/xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 304.60 ([email protected]) Sun Oct 14 21:34:47 PDT 2012
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubSection
EndSection
非常感谢您的帮助。谢谢！
答案1
问题解决了。需要从 BIOS 禁用 optimus。然后一切正常。