Ask Different Asked by user314352 on November 28, 2021
Things I have tried:
A few additional things to note: the camera´s green light stays on until I quite FaceTime or any other app that uses the camera (e.g. Photo Booth). Camera shows up fine under system report. The machine has never been opened.
Machine is a MacBook Air 2012 running High Sierra (latest version).
Finally, note that this may have started when I changed the system’s language.
I spent hours debugging this on my MacBook Pro (Retina, 13-inch, Early 2015) running Catalina. The camera did not work in any app.
I tried restarting, zapping PRAM, resetting SMC. In System Preferences, I checked permissions in Security & Privacy > Privacy > Camera.
In About This Mac > System Report…, the camera shows up correctly in Hardware: Camera.
I discovered that the camera did work in another user account, so it was not a hardware problem.
Long story short, I figured out that Screen Time > Content & Privacy Restrictions were inadvertently turned on, with Apps > Allow: Camera being disabled. I had turned on restrictions on an old iPhone; these settings are apparently shared across devices for the same iCloud account.
Answered by jrc on November 28, 2021
Test it using a new account (create one) or (after making a backup) on a fresh install. If that doesn’t work, the camera is defective. The USB interface and power indicator can still work with a broken video module, so the green light does not always indicate a working camera.
Answered by John Keates on November 28, 2021
The camera has failed.
It's not an expensive part, but you have to disassemble the entire LCD display assembly to remove it. Since the assembly is glued together, it makes replacing this part extremely difficult.
Therefore, you have two options:
(IMO) given the age of this laptop and the expense and difficultly of the repair, I would go with the second option.
Answered by Allan on November 28, 2021
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