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A1708/EMC 3164 — Released June 2017, this entry-level MacBook Pro retains its traditional function keys (as opposed to the OLED Touch Bar).

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Horizontal line on top of the display

Whenever i turn my laptop on, after using for 15-20mins/ half an hour the horizontal line on the top of the display showed itself, and vibrate continuously. It get bigger in width slowly.

if i put it to sleep for 5mins and open again, everything look likes okey. but after around 15mins again that line blow up

help me if there is any solution. isn’t there any solution without replacing display?

i have no warrenty left from apple

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Macbook Pro 13” 2017

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Here's someone else facing the same problem Horizon blur black line on top of MacBook Pro 2017


do you know about the reason behind this kind of damages?


The cause is over-heating. Blocking the vents by using the system on a bed or other cloth surface which the system sinks into. Heavy online gaming which is very heavy with graphics. And lastly, heavy image or video editing.

I've had to replace over ten displays across the entire line. We have over 20 posts here alone of people encountering this issue.


How can it be over heading when an external montor works on it with no lines


The T-CON board is part of the internal display it has no involvement with the external display ability to display.

If I break (crack) the internal display screen that won't impact the external display will it. You are trying to rationalize displays A issues as impacting display B you just can't here.


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Sadly this is a known issue in the newer MacBook Pro’s! The TCON board overheats so the components loose their values so the scan gets messed up.

You need a new display assembly to fix this MacBook Pro 13" Retina (Late 2016-2017) Display Assembly and heres the guide MacBook Pro 13" Function Keys 2017 Screen Assembly Replacement

Immagine MacBook Pro 13" Retina (Late 2016-2017) Display Assembly


MacBook Pro 13" Retina (Late 2016-2017) Display Assembly


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but isn't same problem happen with the newly replaced display?no problem with new display's Tcon board ?


I'm not sure I follow you here. Are you asking if this will happen again? Sadly it can. People who are running their systems hot will encounter this again. I would strongly recommend you install a good thermal monitoring app like TG Pro and makes sure you don't block the vents so the system can properly cool its self.


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Same problem as me.

in my case if you have no apple care and still have no money enough to change it.

1.Use external Screen. you may feel your MBP become mac mini but when you spend time like week or month then swift back to use MBP Screen . this problem disappear.(I can use MBP for 2 days and the line never comeback but I can feel that my MBP Screen still in problem.)

2.Seeking for A.R. Coating issue on your screen. If you’re lucky enough to have this problem. Go to apple store and claim AR Coating Problem. Apple will change ALL screen part for you ,and yes it free.

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Arif Amzad sarà eternamente grato.
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