How do I fix black horizontal lines on MacBook Air screen?
There are weird black horizontal lines on my macbook air. looks like it's glitching. what do i do?
[Re-Titled by Moderator]
Original Title: macbook glitch
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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
There are weird black horizontal lines on my macbook air. looks like it's glitching. what do i do?
[Re-Titled by Moderator]
Original Title: macbook glitch
“How do I fix black horizontal lines on MacBook Air screen?: There are weird black horizontal lines on my macbook air. looks like it's glitching. what do i do?“
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Your Screen is Apparently Failing:
From what you have reported, your screen is apparently failing. It may be a glitch, or a hardware error. So how have you troubleshot this, this far, yourself?
A Bit of a Story:
My 2027 MBP’s screen failed after High Sierra was installed. This occurred during the years of COVID. I had to send it in via mail for service; all time of which it wailed to operate. So, being so patient of a customer, Apple fondly granted me a free $2.5 USD upgrade, for no more than the cost of 4 years AppleCare —not problems since.
What to Try:
Perhaps this is a Faulty Device?:
How old is this Mac? Note that you have a one-year, out-of-the-box, limited-warranty with this. So, if it is covered under warranty, then see if you can get the screen replaced. Being faulty, it likely would be nothing on you. Ask Apple Support for a new screen.
--- Contact Us - Choose Locations
--- Proceed from there as Necessary
Contact an AASP:
“How do I fix black horizontal lines on MacBook Air screen?: There are weird black horizontal lines on my macbook air. looks like it's glitching. what do i do?“
———-
Your Screen is Apparently Failing:
From what you have reported, your screen is apparently failing. It may be a glitch, or a hardware error. So how have you troubleshot this, this far, yourself?
A Bit of a Story:
My 2027 MBP’s screen failed after High Sierra was installed. This occurred during the years of COVID. I had to send it in via mail for service; all time of which it wailed to operate. So, being so patient of a customer, Apple fondly granted me a free $2.5 USD upgrade, for no more than the cost of 4 years AppleCare —not problems since.
What to Try:
Perhaps this is a Faulty Device?:
How old is this Mac? Note that you have a one-year, out-of-the-box, limited-warranty with this. So, if it is covered under warranty, then see if you can get the screen replaced. Being faulty, it likely would be nothing on you. Ask Apple Support for a new screen.
--- Contact Us - Choose Locations
--- Proceed from there as Necessary
Contact an AASP:
Thanks for sharing all the details about your situation, jiana48.
It’s impossible to determine the actual cause of failure without conducting tests, so I’ve created a user-friendly tip specifically for situations like this.
Please refer to → Mac Troubleshooting Tips and respond back here with your results and any additional questions you may have.
Good luck! 👋🏼😉
How do I fix black horizontal lines on MacBook Air screen?