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HippoSwimmer Author

Level 1

5 points

I have thin horizontal black lines on my MacBook Pro screen ?

I have thin black horizontal lines on my MacBook Pro screen ? Just appeared will not go away ?

MacBook Pro 13″, macOS 10.12

Posted on Jan 11, 2022 4:16 AM

Best reply

kaz-k

Level 8

49,194 points

Posted on Jan 11, 2022 4:40 AM

Hi,

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

Use Apple Diagnostics to test your Mac - Apple Support

Apple Diagnostics reference codes - Apple Support

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I have thin horizontal black lines on my MacBook Pro screen ?

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