MacBook Pro screen is black when turned on
So when I boot up my macbook the caps lock light turns on but not the backlit keyboard. I’m not sure if I can hear any fans. The screen stays black no matter what I do. It was working fine last night then wouldn’t wake up from sleep. I tried some things and got it to turn on eventually after about five hours. I’m not sure how though. Then I tried to install mac high sierra because I thought maybe it needed to be updated. It never finished updating and was stuck on that black screen again. Now I cannot get it to turn on again. Please help. Thanks.
Hi. To add to this. Sometimes if I hold down the power button to turn it on a screen shows a little folder with a question mark. but it does not always do this when it turns on. So I am at a loss.
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