最近手边有一台 Acer 8481 装好 Ubuntu 10.10 后一开机觉得亮度太亮,系统调整亮度的功能似乎都没有作用,于是google 一下,发现这篇:Ubuntu 10.10 brightness problem in Acer Aspire 4741 照它所提供的做法: sudo vi /etc/default/grub (自己习惯用vi) 把 GRUB_CMDLINE_LINUX="" 改成 GRUB_CMDLINE_LINUX="acpi_osi=Linux" sudo update-grub 重开机 重开机后,我用 Fn + ← → 就可以调整亮度了 Ubuntu 10.10 brightness problem in Acer Aspire 4741To those who have problem with brightness configuration after installing Ubuntu 10.10 and you are using Acer Aspire 4741, here"s a solution for you:sudo gedit /etc/default/grub Change the line GRUB_CMDLINE_LINUX="" into GRUB_CMDLINE_LINUX="acpi_osi=Linux" sudo update-grub Restart your linux更多Ubuntu相关信息见Ubuntu 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=2在Ubuntu 12.04 下手动安装Subversion 1.7Ubuntu 12.04出现“device not managed”错误相关资讯 Ubuntu入门教程