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Camera app won't open on computer

A camera app that won't launch is usually blocked by a permissions setting, another app already using the camera, or the app needing a restart after a system update. Checking privacy permissions is the fastest first step.

Difficulty
Easy
Time
5–15 minutes
DIY cost
$0

Symptoms

  • Camera app closes immediately after opening
  • Error message about the camera being in use
  • Blank or black window when the app opens
  • App opens but the preview never appears

Likely causes

  • CommonCamera permission not granted at the system levelPrivacy settings can block the camera app itself from accessing hardware.
  • CommonAnother app currently using the cameraMost webcams only allow one active connection.
  • PossibleApp needs updating after a system updateBuilt-in camera apps sometimes need a refresh to work with new OS versions.
  • Less commonCorrupted camera app installationApp files can become damaged, especially after an interrupted update.

What to do

  1. Check system privacy settings and confirm the camera app has permission to access the camera.
  2. Close any other app that might be using the webcam, including browser tabs with video calls.
  3. Restart the computer to release any stuck camera connection.
  4. Update the camera app or the operating system to the latest version.
  5. Reinstall the camera app if it's available through an app store.
  6. Test the camera in a different app to confirm the hardware itself is working.

Safety

Generally low risk

Generally low risk for a careful person. Stop if anything looks different from what this guide describes.

Related guides

Operator provides AI-generated troubleshooting information. It can be wrong. For safety-critical, electrical, gas, structural, medical, automotive safety, or other high-risk problems, consult a qualified professional.