This worked for me. Am running Snow Leopard 10.6.8.
1. Download attachment.
Sonix_SN9C102p_WebCam.component.zip 574.96KB 472 downloads
2. Download and install latest version of Sonix SN9C105 driver from website. Click here to go to download page. Dont start up the software after installation.
3. Restore/Replace in Library/Quicktime/ which is in your root partition at root level and NOT the "users" folder as stated by someone else in this thread. Somehow there was no quicktime folder in the users location for me so putting it in the system location worked.
4. Open the WebCam Monitor software by clicking the alias created on your desktop or start up using the applications folder.
5. Wait for a bit for the Webcam Monitor to find your cam or after the software opens jus minimize it by clicking the titlebar and open using the dock after about 5-7secs. This works for me.
6. Hopefully you should see your webcam's name in the software now.. If you do, double click the name and change settings as desired. You should also see your image in the preview screen.
7. Audio should work straight away. Configure your USB Webcam as the Mic in your Sound settings in System Preferences and then do the same for whatever application you use it with. You should see the input signal bar move when you talk.
So that takes care of it. It should work with 3rd party software like skype but no apple software which am okay with as I primarily use skype for video calls.
Some tips if the name still not shows up in the software ---->
1. Change USB ports for your cam
2. Make sure its not connected to a Super Speed Bus or High Speed Bus by checking under USB in System Profiler.
3. Reboot OS.
Please lemme know how this works out for you guys..
Heres a screenshot of the webcam running on my system:
Credits: InsanelyMac, robrecord