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The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.

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koreen337 Author

Level 1

8 points

i suddenly have colored lines going across my screen top to bottom on left side then across the bottom

i have vertical and horizontal colored lines on my display on left and at the bottom

MacBook Pro 16″, macOS 12.4

Posted on Jul 10, 2022 10:03 AM

Best reply

ku4hx

Level 7

23,502 points

Posted on Jul 11, 2022 4:45 AM

That can mean a graphics card fault.

You can test hardware yourself: Use Apple Diagnostics to test your Mac - Apple Support

If hardware proves to be the problem, Apple needs to evaluate it hands-on.

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i suddenly have colored lines going across my screen top to bottom on left side then across the bottom

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