Ubuntu 12.04 修改分辨率
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1、查看显卡信息：
$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV710 [Mobility Radeon HD 4500/5100 Series]
2、运行xrandr查看分辨率：
$ xrandr
Screen 0: minimum 320 x 200,
$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV710 [Mobility Radeon HD 4500/5100 Series]
2、运行xrandr查看分辨率：
$ xrandr
Screen 0: minimum 320 x 200,
