Display and Apple Logo not working, but works with external Display

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MacBook Air 13" Late 2010

1.86GHz or 2.13GHz Processor, 128GB or 256GB Flash Storage

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Niklas @niklas_jesper

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发帖于: 2020年12月5日

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Display and Apple Logo not working, but works with external Display

Hello community,

I’m trying to help my Mum out with her old MacBook Air. When turning the MBA on the Display doesn’t show any kind of signal and the Apple Logo on the back isn’t glowing either.

When I’m plugging a Monitor via the DisplayPort in it, I get a signal and the Mac is usable.

Somehow the Display Assembly doesn’t get any power from the board.

I opened up the bottom and tried to find anything that could narrow my search down. Something that might’ve burned out over the years. However, I wasn’t able to find anything looking suspicious.

I will add some photos. Maybe one of you guys could help me with the problem.

thank you :)

@danj Just took the photo of the connector. Let me know if I could do anything else that would help.

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Are the Photos I uploaded visible for you?

It’s my first time posting to this forum.

由 Niklas 完成的 2020年12月5日

You need to finish posting from the media tray to the question 在已经存在的问题里加入图片

由 Dan 完成的 2020年12月5日

Lets give this a try take a flash light and aim it into the lids logo you should see the faint image of the desktop and its icons, do you?

由 Dan 完成的 2020年12月5日

@danj I just checked out your profile. What a legend you are here on this forum. I hope that there has been someone before me who thanked you for the great work and effort you put into helping others here.

I tried it with the flashlight and wasn’t able to see any kind of symbols. What a smart idea you came up with, so to use it as backlight. That probably means that it’s more than just a loose cable or something easy to fix. I tried to take a photo of the result but I’m not sure if you can see enough.

由 Niklas 完成的 2020年12月6日

@niklas_jesper - Thanks for the kind words! Just doing my part in lowering the carbon footprint we collectively add,

Remember the three R's - Repair, Reuse & Recycle properly.

由 Dan 完成的 2020年12月6日

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Dan @danj

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Let’s dig a bit deeper, I need to see one area more clearly to figure things out. Following this guide: MacBook Air 13" Late 2010 Display Assembly Replacement Start off with Steps 1 through 3, then jump down to Step 20 carefully disconnecting the LVDS cable which is the cable that sends the video signal to your internal display. Take a picture like this one:

So I can see both connector.

Happy to see the connectors are clean! A common issue is corrosion around them.

So it’s clear the issue is within the display assembly its self. I’m suspecting some display cleaner dripped down wetting the connector interface there damaging it.

You’ll need to replace the display to fix this, right now the only source I trust is this one 13” MacBook Air Complete Display LCD Assembly (Refurbished) they also repair displays as well.

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@danj Thank you so much for narrowing down the problem. Keep up the great work. Appreciate it :)

由 Niklas 完成的 2020年12月6日

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Are the Photos I uploaded visible for you?

It’s my first time posting to this forum. — Niklas
You need to finish posting from the media tray to the question 在已经存在的问题里加入图片 — Dan
Lets give this a try take a flash light and aim it into the lids logo you should see the faint image of the desktop and its icons, do you? — Dan
@danj I just checked out your profile. What a legend you are here on this forum. I hope that there has been someone before me who thanked you for the great work and effort you put into helping others here.

I tried it with the flashlight and wasn’t able to see any kind of symbols. What a smart idea you came up with, so to use it as backlight. That probably means that it’s more than just a loose cable or something easy to fix. I tried to take a photo of the result but I’m not sure if you can see enough. — Niklas
@niklas_jesper - Thanks for the kind words! Just doing my part in lowering the carbon footprint we collectively add,

Remember the three R's - Repair, Reuse & Recycle properly. — Dan
@danj Thank you so much for narrowing down the problem. Keep up the great work. Appreciate it :) — Niklas

MacBook Air 13" Late 2010

Display and Apple Logo not working, but works with external Display

Update (12/06/2020)

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Update (12/06/2020)

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