You can try the following steps to resolve the issue if you are running Mac OS 10.7 and are having problems with your camera.
Instructions for camera/video unavailable on Mac OS 10.7
- Select Go from the menu in Finder.
- You will then be able to choose the Go to Folder option.
- Click on the /Library/QuickTime/ icon that appears in the list of options that appears
- and then click Go.
- Click on the files below, and then click Delete.
- Sonix SN9C201 WebCam.component
- Sonix SN9C102p WebCam.component