Problem phenomenon:
In daily use, the computer may go black, but the keyboard light and charging indicator are normal.
Problem phenomenon:
It may touch the F5 screen brightness reduction hotkey accidentally, and the screen is completely black when the screen brightness is reduced to the minimum. It will make people mistakenly think that the computer crashes with a black screen.
Solution:
Press the F6 hotkey several times and increase the screen brightness to return to normal.
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