[問題] 關於筆電的螢幕亮度調整
小弟再這陣子開始使用Ubuntu12.04
但一直有個問題困擾我 我的筆電是Toshiba L750 顯卡是Nvidia GT M525
螢幕亮度一直在最亮值，系統內建"亮度與鎖定"調整了也都沒用
一直沒有辦法調整螢幕的亮度，超刺眼的。
也有再網路上爬了很多文，但有看沒有懂...
跪求高手解答
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