NVIDIA graphics card to solve Ubuntu Linux resolution problem

  
finally solved the problem of display resolution: the resolution has been relatively low, there is no higher resolution option in the system - preferences - screen resolution, although installed nvidia The driver but I don't know how to use it, I can't find the entry. Solution: Use the nvidia-settings command to call up nvidia's setup program and set the resolution to 1440x900 (this option is available in the setup options). Then in the system - Preferences - screen resolution, the current resolution is also 1440x900. Problem: After re-entering X, the resolution becomes the default 1280x1024 at login. And the system -- Preferences -- there is no 1440x900 option in the screen resolution, that is, the settings in the previous step are not saved. Solution: Open the configuration file with sudo gedit /etc/X11/xorg.conf, add "1440x900" before "1280x1024" (I actually changed "1440x1440" to "1440x900"), all subsections have been changed. The overall content is as follows:
Section "Screen"Identifier "Default Screen"Device "nVidia Corporation GeForce 7300 SE"Monitor "LAW982"DefaultDepth 24Option "AddARGBVisuals" "True"Option "AddARGBGLXVisuals" "True"Option "NoLogo" "True "SubSection "Display"Depth 1Modes "1440x900" "1280x1024" "1280x960" "1152x864""1024x768" "832x624" "800x600" "720x400" "640x480"EndSubSectionSubSection "Display"Depth 4Modes "1440x900" "1280x1024" "1280x960" " 1152x864""1024x768" "832x624" "800x600" "720x400" "640x480"EndSubSectionSubSection "Display"Depth 8Modes "1440x900" "1280x1024" "1280x960" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" EndSubSectionSubSection "Display"Depth 15Modes "1440x900" "1280x1024" "1280x960" "1152x864""1024x768" "832x624" "800x600" "720x400" "640x480"EndSubSectionSubSection "Display "Depth 16Modes "1440x900" "1280x1024" "1280x960" "1152x864""1024x768" "832x624" "800x600" "720x400" "640x480"EndSubSectionSubSection "Display"Depth 24Modes "1440x900" "1280x1024" "1280x960" "1152x864""1024x768 "832x624" "800x600" "720x400" "640x480" EndSubSectionEndSection save and exit, re-login X, the problem is solved (X's login box interface is also "1440x900" ^_^). Thinking: X should choose the resolution application that can be supported by the first monitor in Modes. The original "1440x1440" is not supported by my monitor, so I automatically select the second item "1280x1024" at that time. .

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