There's a problem with the computer.,It's good in the afternoon.,At night, it's always been a black screen, and there's a box on it that says'Signal line is not connected',Turn off the power again,Five or six minutes after turning on, it's a black screen.,The signal line is not connected.,Check the connector.,No problem.,And I just watched some anime in the afternoon.,It shouldn't be a virus.,If there's any god who knows.,Teach me.。

Also, if the computer is good tomorrow, double more will be supplemented.