iMac 27inc 5K late 2015 don't boot anymore after screen removal

Question

iMac Intel 27インチ Retina 5K ディスプレイ

対象のモデルはA1419 / EMC 2806 / Late 2014 または Mid 2015。 3.3 または 3.5GHz Core i5 または 4.0GHz Core i7 (機種ID iMac15,1)、EMC 2834 late 2015 / 3.3 または 3.5 GHz Core i5 または 4.0 GHz Core i7 (機種ID iMac17,1)のRetina 5Kディスプレイを搭載したすべて。

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Raphael P @raphaelp70665

評価: 1

投稿日: 2018年7月26日

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iMac 27inc 5K late 2015 don't boot anymore after screen removal

Hi all,

My wife work imac 27inch, 5K, late 2105 started being very slow and we decided to buy a ssd to replace the old 1tb hybrid drive.

I carefully removed the screen using the ifixit tool kit and did plug the new ssd drive in place of the "old" 1to drive.

But when I did take the imac to "test" if it booted sucessfully, the screen "fell" from the back of the imac, and both of the connectors of the screen (power and data?) removed themselves from their respective connectors on the main board.

I don't think the screen has any issue as it look perfectly fine. I'm unsure about the data cable though...

Issue is that, I now plug both of the connectors, press the power buton of the imac, and except for the fan I can "feel" powering up, nothing happens. No "boot" sound, no image on screen, nothing.

I will go back to her office in the afternoon and will send some pictures of the connectors and cables. I hope someone here will be able to give me some good advices to get this fixed.

Thanks in advance for your help guys !

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This question was migrated from https://meta.ifixit.com/Answers.

iRobot さんによる2018年7月26日

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This question was migrated from https://meta.ifixit.com/Answers. — iRobot

Stephen @techstuff 評価: 397 3 · Answer 1 · 2018-07-28T15:15:56-07:00

Hey Raphael

It sounds like after you removed the screen, and replaced your drive the screen fell and came out of the connectors. You may have damaged the logic board. I have fixed iMac's with broken logic boards with the same problem.

When you replace the screens on these Mac's the connectors that are on the logic board are fairly delicate. There are pins on both ends I believe that the LCD panels cable connects to. When the screen fell and came out, it sounds to me that the cable's pulled out the connections on the Logic Board causing the LCD not to work.

Since you can hear the fan's starting, and the Mac's normal behavior on startup, you will need to replace your logic board for this model, to restore the display. You can find replacements on Apple's website, here on iFixit, or check your Apple Care plan to see if the Mac is still covered on the warranty.

Good Luck!

iMac Intel 27インチ Retina 5K ディスプレイ

iMac 27inc 5K late 2015 don't boot anymore after screen removal

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