Ubuntu系统怎么设置开机屏幕亮度?
发布时间:2015-06-06 来源:查字典编辑
摘要:默认情况下,Ubuntu开机后会把屏幕亮度设为最高,这里介绍将其设为最低的方法1、找到/sys/class/backlight/acpi_v...
默认情况下,Ubuntu开机后会把屏幕亮度设为最高,这里介绍将其设为最低的方法
1、找到/sys/class/backlight/acpi_video0,里面有屏幕亮度的参数
![Ubuntu系统怎么设置开机屏幕亮度? 三联](/201503/27/de7bda1f51df1879a14f38de72f30c07.jpg)
2、打开brightness,显示的数字即当前亮度参数
![Ubuntu系统怎么设置开机屏幕亮度?1](/Images/jiaocheng/2015-06-06/2187398021.jpg)
3、找到/etc/rc.local
![Ubuntu系统怎么设置开机屏幕亮度?2](/Images/jiaocheng/2015-06-06/1770748287.jpg)
4、内容如下
![Ubuntu系统怎么设置开机屏幕亮度?3](/Images/jiaocheng/2015-06-06/3996486030.jpg)
5、打开终端,输入以下内容:sudo gedit /etc/rc.local
![Ubuntu系统怎么设置开机屏幕亮度?4](/Images/jiaocheng/2015-06-06/362621469.jpg)
6、输入密码打开后,在exit 0之前插入一行:echo 0 > /sys/class/backlight/acpi_video0/brightness
![Ubuntu系统怎么设置开机屏幕亮度?5](/Images/jiaocheng/2015-06-06/4044829755.jpg)