You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Horizontal line after shutting down my Macbook Pro 16' 2019

Hi guys,

I noticed that every time I go to turn off a horizontal line appears at the top of the screen. I have done all the updates and noticed that the problem persists.

Can anyone help me please?




Video : https://youtu.be/fF-FH1SsTL0

MacBook Pro 16″, macOS 10.15

Posted on Sep 28, 2020 1:12 AM

Reply
Question marked as Top-ranking reply

Posted on Sep 28, 2020 1:18 AM

See if Apple Diagnostics Test reports anything:

https://support.apple.com/en-us/HT202731


Hope it helps.

1 reply

Horizontal line after shutting down my Macbook Pro 16' 2019

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.