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Released in November 2020, the 13" MacBook Pro features Apple's Arm-based M1 SoC with both an 8-core CPU and 8-core GPU. (Model A2338 / EMC 3578 with two Thunderbolt 3 ports)

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Webcam not turning on after screen replacement?

So I've recently replaced the screen on my M1 MacBook Pro and the webcam doesn't seem like it wants to open up? Ran the Apple diagnostics tool and it doesn't seem to report anything wrong with the camera. Checked System Information and it does seem to show the model ID and Unique ID. The green light indicator slowly flashes as if it's trying to turn on.

Does it require reinstalling macOS? Or does anyone happen to know which cable is responsible for the webcam so that I can try reseating it. Thanks!

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2 Answers

It sounds like there is an issue with the display you installed. Are you sure you installed the correct display? If an incorrect model display was installed, it may appear to be functional but will have issues with component functionality such as the camera, backlight, or TrueTone. I've accidentally installed the wrong model display before and everything was functional except for the camera. Alternatively, it's possible the display was damaged during installation. Was the battery fully disconnected when you installed the part? Did you have any difficulty during the installation? Do you have another working screen you can test with? Good luck!

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I have the exact same problem. I did install the correct model of screen and did not break anything. The camera is also detected correctly by the mac. Sounds like this is a Apple non-genuine check thing. Any way to clear it?

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