Camera does not work and the green light stay off

Question

MacBook Pro 13インチ Late 2020 (2つのThunderboltポート)

2020年11月発売。MacBook Pro 13インチモデルは、8コアのCPUと8コアのGPUを搭載したAppleのArmベースのM1 SoC。(モデルA2338 / EMC 3578、Thunderbolt 3ポート2基搭載)

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Jordan @jordan63460

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投稿日: 2025年2月18日

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Camera does not work and the green light stay off

Hi everyone,

Essentially, my Macbook Pro M1 16GB 2020 (A2338) camera has stopped working. Not sure why. If I open Photo Booth, the screen is black but there is no message/warning. The camera light does NOT switch on either.

Tried the following:

Restarting
sudo killall VDCAssistant and AppleCameraAssitant but it says No matching processes.
Reset the laptop (factory reset using iTunes)
Took off the bottom cover to confirm the 4 ribbon cables were still connected from the screen

If I go to my system information, then go to my camera, it says "No video capture devices were found".

Everything else works perfectly fine so not sure why it would be the camera hardware itself.

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DanJ @danj

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投稿日: 2025年2月19日

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The root cause of your problem is related to the thin ribbon cables which connect the display with the T-CON logic board within the main case. What tends to happen is between the flexing of these cables with either grit or physical damage from a damaged chin plate along the bottom of the display (glass) damages or cuts the ribbon cable.

So while swapping the display gets you partway, the lack of access to the needed calibration tool messes up both the TrueTone and lid sensor in this series. Apple has you over a barrel! Forcing you to buy a new display from them at a much higher cost. Review the link I provided above to gain the needed color displays P/N and then go here Apple’s Self Repair portal

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Thank you for your help @danj - Sent the laptop back to work to make it their problem, but had a shop look at it so I could post the final answer here for confirmation for someone in the future. It was indeed the connector, your photo was very helpful.

Jordan さんによる2025年3月9日

@jordan63460 - No problem, sorry you got hit with it.

Here in Boston we don’t encounter the issue that often as we don’t have sand/grit being blown about. So it took awhile to get a handle on this issue.

DanJ さんによる2025年3月9日

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Thank you for your help @danj - Sent the laptop back to work to make it their problem, but had a shop look at it so I could post the final answer here for confirmation for someone in the future. It was indeed the connector, your photo was very helpful. — Jordan
@jordan63460 - No problem, sorry you got hit with it.

Here in Boston we don’t encounter the issue that often as we don’t have sand/grit being blown about. So it took awhile to get a handle on this issue. — DanJ

livfe @livfe 評価: 6.9千 32 23 8 · Answer 1 · 2025-02-18T18:44:55-07:00

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livfe @livfe

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Have you tried running apple diagnostics? Power+D at boot, then follow the prompts.

If possible try to clean and re seat the cameras connector on the board, they can be found in Step 23 of the guide below.

If still no luck then it can be possible that the cameras hardware has failed, or something on the board has popped.

This maybe a tricky fix and will need to refer the MacBook Pro 13インチ Two Thunderbolt Ports Late 2020 ディスプレイアセンブリの交換 guide.

If the cameras hardware has indeed failed then it will be a monster of a job to find a replacement part and would require removing the screen glass if at all possible. @danj maybe can provide some additional help. SMC & PRAM reset may also be worth a try.

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I have a spare Macbook of the EXACT same model, just less RAM (same code A2338, same year, chip, screen size, etc.). Am I able to simply replace my macbooks screen with the spare one? A donor mac as such.

Jordan さんによる2025年2月19日

That is a good question, @danj for some input

livfe さんによる2025年2月19日

Sadly, swapping displays messes up Apples required calibrations! As stated here MacBook Pro 13" Complete Display, from TheBookYard

Display Compatibility

Due to Apples practice of calibrating certain parts of the display, replacing the display or logic board will result in the 'True Tone' functionality of the display no longer working. It can also cause issues with the ambient light sensor and on MacBook Pro models the Lid Angle Sensor will also no longer function. This prevents the machine from going to sleep when the display is closed. The only way to rectify this is to run Apple's 'System Configuration' tool which is only available as part of Apple's 'Self Repair Service'.

DanJ さんによる2025年2月19日

iFixit really needs to implement a flag or location on users profiles, so we can direct them to where they can either find parts or repair specialists....

livfe さんによる2025年2月19日

Accepting this answer, took the Mac to get looked at, the hardware in the Camera failed, but not going to bother getting them switched due to the calibration issue, sent the laptop back to work to make it their problem. Thank you for both your help @livfe and @danj

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Rashmi Kandhil @rashmikand95190 評価: 1 3 · Answer 2 · 2025-02-19T05:08:40-07:00

Rashmi Kandhil @rashmikand95190

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投稿日: 2025年2月19日

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Your MacBook Pro’s camera issue may be a hardware failure if macOS doesn't detect it. Since resetting and checking cables didn’t work, try booting into Safe Mode, updating macOS, or reinstalling macOS. If "No video capture devices were found" persists, the camera module might need replacement-contact Apple Support.

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