839      iPhone_iPad_Mac_apple

Screen goes black when I turn the brightness be...

I can't lower the brightness below the maximum setting otherwise my screen goes black on my MacBook Air. After this I can't turn the brightness back up and have to restart my device. I got it in 2014 and I have the current update, macOS Sierra.

最後更新：2017-09-28 10:53:58

  上一篇： dock

  下一篇： macOS sierra 10.2.1 closing lid = crash & b...