Bluetooth not working, even after module replacement

Question

MacBook Air 13インチ Early 2017

2017年Appleは13インチMacBook Airに新Broadwell Intl Core i5プロセッサを搭載して登場させました。バッテリー寿命の改善とパフォーマンスがわずかに向上しました。

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Ola @ola39360

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投稿日: 2023年9月7日

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Bluetooth not working, even after module replacement

I have a MacBook Air early 2017 where I can't activate Bluetooth in system settings (or in the menubar). When clicking the switch nothing happens, stays gray.

I have tried to reset NV-ram and SMC.
(Other reset options for BT is not available/doesnt show up.)
There is no com.apple.Bluetooth.plist in /Library/Preferences/ to remove
Wifi is working fine.
Same issue even after replacing Wifi/BT module.
Wifi is working fine. Unable to activate BT.

Please bring up you ideas on what's the problem or if you have any solution or idea on what could solve the problem.
Thanks!

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Zach @zpl 評価: 4.5千 8 12 3 · Answer 1 · 2023-09-07T10:59:46-07:00

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Zach @zpl

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投稿日: 2023年9月7日

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I'd recommend booting into Safe Mode or reinstalling the OS from Recovery Mode to see if the issue could be a software problem. You could also create a new user account to see if the issue still occurs in a fresh software environment. If you've ruled out software, and replacing the AirPort card doesn't fix the issue, then there could be a problem on the main logic board. It might be worth inspecting the condition of the board to see if there are any signs of corrosion or other damage. Good luck!

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Thanks for your answer!

I made a fresh install from recovery mode and then recovered users from a Time Machine backup. But I haven’t tried creating a new user. Will do that!

Ola さんによる2023年9月7日

@ola39360 Best of luck! Let us know if you find a solution.

Zach さんによる2023年9月7日

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MacBook Air 13インチ Early 2017

Bluetooth not working, even after module replacement

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