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笔记本屏幕变暗怎么办
更新时间: 2021-05-12 20:53:12  

1、首先看是如何变暗的,若是一部分变暗。例如上面暗下面正常。那就是灯管坏,LED灯条有问题,需要及时更换。

2、若整体变暗,可试试键盘上的调节亮度快捷键,一般是Fn+亮度键,若可以调节亮度,则没有问题。

关键词: 笔记本 屏幕 怎么办

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