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.

Weird grey lines across screen at startup

Why does my Macbook Pro 13-inch show weird grey lines across the top of the screen for a few minutes and then disappear?

MacBook Pro 13″, macOS 12.4

Posted on Sep 7, 2022 1:38 AM

Top-ranking reply

Level 9

50,178 points

Posted on Sep 7, 2022 2:41 AM

Hi,

Try to check your MacBook Pro with Apple Diagnostics if it reports something display related error.

View in context

Similar questions