For Win 7:

来源: 于 2011-05-16 20:56:09 [旧帖] [给我悄悄话] 本文已被阅读：次

Start => Control Panel => Hardware and Sound => Power Options =>

Change plan settings => Plugged in or On battery 各自独立调节亮度等.

其它操作系统步骤类似.