关于Ubuntu 11.04 调分辨率的总结总结如下：
在命令行输入：sudo gedit /etc/X11/xorg.conf
Section "Device"
Identifier "Configured Video Device"
EndSection
Section "Monitor"
# 1440x900 @ 60.00 Hz (GTF) hsync: 55.92 kHz; pclk: 106.47 MHz
#Modeline "1440x900" 106.47 1440 1520 1672 1904 900 901 904 932 -HSync +Vsync
#Modeline "1024x768" 64.11 1024 1080 1184 1344 768 769 772 795 -HSync +Vsync
# 1024x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 64.11 MHz
#Modeline "800x600" 64.11 800 720 730 740 600 601 640 700 -HSync +Vsync
Identifier "Configured Monitor"
Horizsync 30-81
Vertrefresh 56-75
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Defaultdepth 24
SubSection "Display"
Depth 24
Virtual 912 613
Modes "1024x768@43" "1280x960@60" "1024x768@60" "1280x1024@60" "1024x768@70" "1024x768@75" "912x613@75" "832x624@75" "800x600@60" "800x600@85" "800x600@75" "800x600@72" "800x600@56" "640x480@85" "640x480@75" "640x480@72" "640x480@60"
EndSubSection
EndSection