A MacBook webcam usually works automatically. Open an app like FaceTime or Photo Booth, and the camera turns on without any setup. When it suddenly stops working, though, it can be frustrating, especially if you need it for a meeting, online class, or video call.
If you’re trying to figure out how to fix a MacBook webcam not working, the good news is that most camera problems are caused by software conflicts, permission settings, or temporary system glitches rather than hardware failure. In many cases, you can get the camera working again in just a few minutes.
This guide walks through every effective solution, starting with the simplest fixes before moving on to more advanced troubleshooting. It also explains why each method works so you know when to use it.
Why Your MacBook Webcam Stops Working

Before changing settings, it helps to understand what might be preventing the camera from working.
Common causes include:
- Another app is already using the camera.
- Camera permissions have been denied.
- A temporary macOS bug has locked the camera.
- Background processes have frozen.
- The app you’re using is malfunctioning.
- Screen Time restrictions are blocking camera access.
- A recent macOS update introduced a software issue.
- The webcam hardware has developed a fault.
Identifying the cause often makes troubleshooting much faster.
Check Whether the Camera Works in Another App
The first step is determining whether the problem affects your entire Mac or just one application.
Try opening:
- Photo Booth
- FaceTime
- Zoom
- Microsoft Teams
- Google Meet in Safari
If the webcam works in one application but not another, the camera itself is fine. The issue is likely related to that specific app’s permissions or settings.
If the camera fails everywhere, continue with the fixes below.
Quit Any App That Might Be Using the Camera
macOS only allows one application to control the webcam at a time.
If Zoom is still running in the background, another app may report messages such as:
- Camera unavailable
- No camera detected
- Camera already in use
Close every app that could be accessing the camera.
This includes:
- FaceTime
- Zoom
- Microsoft Teams
- Skype
- Discord
- Slack
- Google Chrome
- Safari
Don’t forget to quit the applications completely instead of simply closing their windows.
To fully quit an app:
- Click the app name in the menu bar.
- Choose Quit.
- Or press Command + Q.
After closing everything, reopen the application you’re trying to use.
Force Quit a Frozen Camera App
Sometimes an application crashes without closing properly. It continues running in the background while holding control of the camera.
Force quitting usually clears the problem.
- Press Command + Option + Escape.
- Select the affected application.
- Click Force Quit.
- Open the app again.
This is especially effective after video conferencing software freezes.
Restart Your MacBook
A restart clears temporary system processes that may have locked the webcam.
Although simple, this remains one of the most effective solutions.
To restart:
- Click the Apple menu.
- Select Restart.
- Wait for macOS to boot normally.
- Test the webcam again.
Restarting reloads camera-related services and clears temporary memory without affecting your files.
Verify Camera Permissions
Beginning with newer versions of macOS, applications must receive permission before accessing the camera.
If permission is denied, the webcam appears unavailable even though it’s working correctly.
To check permissions:
- Open System Settings.
- Select Privacy & Security.
- Choose Camera.
- Enable access for the application you’re trying to use.
If the app isn’t listed, reinstalling it often causes macOS to request permission again.
Close Camera Processes Using Activity Monitor
Sometimes the application closes, but the camera service remains active.
Activity Monitor lets you terminate stuck processes.
- Open Applications > Utilities > Activity Monitor.
- Search for the application using the camera.
- Select the process.
- Click the X button.
- Choose Force Quit.
After closing the process, launch the application again.
Use Terminal to Reset the Camera Process
If the camera remains unavailable after closing applications, restarting the camera service may help.
Open Terminal and run:
sudo killall VDCAssistant
Then run:
sudo killall AppleCameraAssistant
Enter your administrator password when prompted.
After both commands finish:
- Close Terminal.
- Open your camera application again.
Why this works
Both processes manage communication between macOS and the built-in camera.
If either becomes unresponsive, restarting it often restores camera functionality without requiring a full reboot.
If you see “No matching processes”
That simply means the service wasn’t running.
It isn’t an error.
Move on to the next solution.
Check Screen Time Restrictions
Screen Time can disable camera access entirely.
This is common on school, family, or work-managed Macs.
To verify:
- Open System Settings.
- Select Screen Time.
- Choose Content & Privacy.
- Open App Restrictions or Allowed Apps, depending on your macOS version.
- Ensure the Camera is allowed.
If your Mac is managed by an organization, these settings may be controlled by your administrator.
Update macOS
Software bugs occasionally affect the built-in camera, particularly after major macOS releases.
Installing available updates can resolve known issues.
To check:
- Open System Settings.
- Select General.
- Click Software Update.
- Install any available updates.
- Restart your Mac.
If the issue began immediately after updating macOS, waiting for Apple’s next maintenance update may also resolve it.
Test the Camera in Safe Mode
Safe Mode starts macOS with only essential system software.
This helps determine whether third-party software is interfering with the webcam.
Apple Silicon Macs
- Shut down the Mac.
- Hold the power button.
- Wait for startup options.
- Select your startup disk.
- Hold Shift.
- Click Continue in Safe Mode.
Intel Macs
- Shut down the Mac.
- Turn it on.
- Immediately hold Shift.
- Release Shift when the login screen appears.
Once logged in:
- Open Photo Booth.
- Test the webcam.
If the camera works in Safe Mode, login items, extensions, or third-party software are likely responsible.
Disconnect External Cameras
If you’ve previously connected:
- USB webcams
- Docking stations
- Thunderbolt hubs
- Display monitors with webcams
macOS may attempt to use the external device instead of the built-in FaceTime camera.
Disconnect all accessories and restart the Mac before testing again.
Reset App Permissions
Occasionally, application permission databases become corrupted.
Resetting permissions can fix unusual camera behavior.
Remove the affected application completely.
Then:
- Restart the Mac.
- Reinstall the application.
- Launch it again.
- Allow camera access when prompted.
This creates a fresh permission request.
Check Whether the Webcam Is Detected
You can verify whether macOS recognizes the camera hardware.
- Hold the Option key.
- Click the Apple menu.
- Select System Information.
- Open the Camera section if available.
If your camera appears here, macOS can detect the hardware.
If no camera is listed, the issue may be hardware related.
Signs the Webcam May Have a Hardware Problem
Built-in cameras are generally reliable, but hardware failures do happen.
Possible signs include:
- The camera never appears in any application.
- macOS does not detect the camera.
- The green camera indicator never turns on.
- The camera stopped working after the Mac was dropped.
- Liquid spilled onto the computer.
- The display assembly has recently been replaced.
Hardware issues usually require professional repair because the camera is integrated into the display assembly.
Common Mistakes That Keep the Webcam From Working
Many users spend time trying complicated fixes while overlooking simpler causes.
Avoid these common mistakes:
- Leaving Zoom running in the background.
- Denying camera permissions accidentally.
- Forgetting to restart after a macOS update.
- Assuming the webcam is broken without testing another application.
- Ignoring Screen Time restrictions.
- Using outdated conferencing software.
Checking these items first often saves considerable troubleshooting time.
Troubleshooting Persistent Camera Problems
If none of the previous methods solve the issue, work through this checklist.
| Problem | Most Likely Cause | Recommended Fix |
|---|---|---|
| Camera not detected anywhere | Hardware issue | Check System Information and contact Apple Support if absent |
| Camera works in FaceTime only | App-specific problem | Reset or reinstall the affected app |
| Camera busy message | Another app is using it | Quit all camera apps and restart VDCAssistant |
| Black camera screen | Frozen camera process | Force Quit the app or restart macOS |
| Camera missing after update | Software bug | Install the latest macOS updates |
| Camera disabled | Permission settings | Enable camera access in Privacy & Security |
Working through the table systematically helps narrow down the root cause without repeating the same steps.
When You Should Contact Apple Support
If you’ve:
- restarted the Mac,
- updated macOS,
- reset camera processes,
- tested Safe Mode,
- checked permissions,
- confirmed the camera isn’t detected,
then the problem is likely beyond software troubleshooting.
Professional service is recommended if:
- the webcam failed after physical damage,
- liquid contacted the Mac,
- diagnostics indicate hardware failure,
- the display assembly requires replacement.
Trying to repair the camera yourself is generally not practical because the webcam is integrated into the display.
Final Thoughts
Most people searching for how to fix a MacBook webcam not working are dealing with a software issue rather than a defective camera. Closing conflicting apps, checking camera permissions, restarting the camera service, or updating macOS often restores normal operation within minutes.
If the camera works in some apps but not others, focus on app-specific settings and permissions. If it isn’t detected anywhere, even after trying every troubleshooting step, the problem is more likely to be hardware-related and worth having inspected.
By following the solutions in order, from simple checks to advanced troubleshooting, you can identify the cause efficiently and avoid unnecessary repairs.
Related Articles
- How to Fix Safari Not Loading Websites on Mac
- How to Reduce Memory Usage on MacBook
- Why Is My MacBook Overheating During Normal Use?
- How to Fix MacBook Wi-Fi Disconnecting Randomly
If you think there’s been a mistake here, please do let us know by commenting on this post or Contact Us. And a member of our Content Integrity Team will review this decision with you.
