SOLVED: Horizontal lines on display unless lid half closed - MacBook Pro 15" Touch Bar Late 2016 - iFixit
![Do these horizontal lines on MacBook screen signify logic board or graphics card failure? - Ask Different Do these horizontal lines on MacBook screen signify logic board or graphics card failure? - Ask Different](https://i.stack.imgur.com/vXRrj.jpg)
Do these horizontal lines on MacBook screen signify logic board or graphics card failure? - Ask Different
Colored vertical and horizontal lines across whole screen, can't see anything else | MacRumors Forums
![13-inch 2019 MacBook Pro displaying horizontal lines on entire screen. Additionally, at times the screen shuts off and faint grey-ish thick vertical lines appear. At that point MacBook is unresponsive until I 13-inch 2019 MacBook Pro displaying horizontal lines on entire screen. Additionally, at times the screen shuts off and faint grey-ish thick vertical lines appear. At that point MacBook is unresponsive until I](https://preview.redd.it/13-inch-2019-macbook-pro-displaying-horizontal-lines-on-v0-05mi7rjmn7k81.jpg?auto=webp&s=7520ca24038bf7bf22237037c68638c632b0282a)