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Model A1989, EMC 3358. A refresh of the existing design, with updated processor options and a change to the keyboard materials. Available in Silver and Space Gray. Released in May 2019.

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Everything works in 45 degrees, but when fully open screen is frozen.

Hello all

My macbook is working in 45degrees angle. When fully open, screen is frozen but keyboard and mouse works in the background.

Tried all the tests and reinstalled OS. Nothing helps.

Has this anything to do with flexgate?

The screen doesn’t go black, only frozen.

I can type in frozen screen, but nothing comes up. As soon I put the screen to the certain angle, every character comes up.

Don’t know if you can see the videos I attached.

Thanks

Answer this question I have this problem too

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@kenanahmet27525 - Have you solved the issue? The same issue happened last week also on my MacBook Pro (2016)

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Same issue happened yesterday with my 2017, did the fix work?

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Wow that’s something new!

Can you still type on the keyboard getting them to respond? Also connect an external mouse to see if that works. Both of these tests can help us understand where we need to look.

Update (10/02/23)

@kenanahmet27525 - this sounds like a damaged logic board connector or the ribbon cable so the connection is lost.

Inspect the trackpad connector and cable you may need to replace the cable MacBook Pro 13" Retina (Touch Bar, Late 2016-2020) Trackpad Cable this cable carries both he keyboard and trackpad signals. It’s also possible a liquid spill could be source of your problems.

Replace the flex cable that connects the trackpad to the logic board compatible with the Late 2016 to 2020 Retina Touch Bar MacBook Pro 13 inch laptop. Part #821-01063-01, 821-01701. Image

Product

MacBook Pro 13" Retina (Touch Bar, Late 2016-2020) Trackpad Cable

$9.99

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No, the screen is frozen. I can type when fully open and everything is working in the background..but can’t see it, set the screen to 45 and see everything that has been moves or typed.

Ext mouse or key not working when frozen. Cursor litterally stops flashing.

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Thanks.

Maybe, but why is the cursor frozen..when screen is fully open?

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@kenanahmet27525 - The T-CON logic buffers the screens data so the loss of new data either the image and/or the curser will still save to a file if that is what you are pointing out. It’s just you can’t see the interaction as the Image is frozen.

To be clear I’m trying to deduce if the keyboard/trackpad input is the source or something deeper like a liquid spill. Which you won’t know until you open things up.

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@danj Ah ok. New parts ordered. LVDS and trackpad flex cable. I will test it tomorrow. I will write back. Thanks

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@kenanahmet27525 - The display cable (technically not LVDS, as the signaling is now iDP) won’t change things here as it just jumps the signal across to the T-CON board within the main case area. The T-CON cables to the discrete LCD panel would be the cables which if damaged would need replacing. But that is not the case here as you would encounter odd video artifacts, not a frozen screen.

This is more likely something within the logic board.

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I have this issue too. Did you solve yours? My kids often slam the screen shut more roughly than I'd like, would that damage something? Screen and cursor freezes as soon as it's open higher than 45 degrees. Also occassionally the screen goes black at 90 degrees with a tiny white line of light across it. Any help / ideas welcome, thanks

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@macdrama - The answer here is a bit deceiving as there's more back history on this system.

The issue was indeed the LCD cables, here where I live I haven't seen this issue as it only happens where the climate is dry and grit/sand is in the blown about.

What happens is the grit acts like sandpaper rubbing the insulation off the ribbon cables allowing the copper traces to be come exposed either shorting against the metal case or the thin copper traces to be worn through.

Sadly the solution is a new display assembly - Ouch!

If shorting cleaning and then covering the area with an insulator that can flex and not peel off or interfere with the movement of the cable can buy you some time.

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Kenan Ahmetspahić will be eternally grateful.
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