Ubuntu下自定义显示器分辨率

办公室有一台闲置的IBM Thinkvision 19寸显示器,接到笔记本上之后发现分辨率不对,而且默认的分辨率选项中也没有合适的,于是打算手动调整一下,步骤如下:

第一步当然是查看当前显示器的最佳分辨率,这个可以通过查看显示器自身的配置菜单得知,或者参考这里

第二步是查看当前各显示器的配置:

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$ xrandr
Screen 0: minimum 320 x 200, current 2464 x 900, maximum 8192 x 8192
VGA1 connected 1024x768+1440+0 (normal left inverted right x axis y axis) 0mm x 0mm
1360x768       59.8
1024x768       60.0*
800x600        60.3     56.2
848x480        60.0
640x480        59.9     59.9
LVDS1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 303mm x 190mm
1440x900       60.0*+   59.9
1360x768       59.8     60.0
1152x864       60.0
1024x768       60.0
800x600        60.3     56.2
640x480        59.9

这里可以看到我要调节的外接显示器名字是VGA1,当前分辨率是1024×768。

第三步,我们来生成一个新的分辨率选项,1280×1024,刷新率为60Hz:

 

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~$ sudo cvt 1280 1024 60
# 1280x1024 59.89 Hz (CVT 1.31M4) hsync: 63.67 kHz; pclk: 109.00 MHz
Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync

~$ sudo xrandr --newmode "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync

接下来,把上面这个选项分配给显示器VGA1使用:

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~$ sudo xrandr --addmode VGA1 "1280x1024_60.00"

最后,就可以通过菜单System->preferences->Monitors来应用新的分辨率了。

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19 Responses to Ubuntu下自定义显示器分辨率

  1. xzyyjy says:

    你好,我按你的方法给21寸DVI的显示器设置,我设成
    1680×1050
    (16:10)
    通过菜单System->preferences->Monitors来应用时 却发现两个问题:
    1. 提示过大,需要2D; 换成16:9才可以
    2. 只有顺时针和逆时针的模式,没有正常模式!!就是应用后我的桌面是旋转了90度的

    该怎么弄出正常模式啊??

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