ubuntu调整分辨率

ubuntu10. 04的19寸的显示器

有次重启后发现变成了1024*768

修改步骤：
# ddcprobe | grep monitorrange
monitorrange: 30-83, 56-75
得到30-83与56-75

#cp /etc/X11/xorg.conf  /etc/X11/xorg.conf.bk
#vi /etc/X11/xorg.conf
在
Section "Monitor"
        Identifier      "Configured Monitor"
        HorizSync 30-83    添加的
        VertRefresh 56-75     添加的
EndSection


Section "Screen"
        Identifier      "Default Screen"
        Monitor         "Configured Monitor"
        Device          "Configured Video Device"
        SubSection "Display"
                Virtual 1440 900    改为1440 900
        EndSubSection
EndSection