This blog post shares a tip to troubleshoot if your webcam is not working in yahoo messenger version 11:
Yahoo Tip: Webcam Not Working in Yahoo Messenger 11
Below yahoo tips can help you to resolve webcam is not working
1. Please download and install the latest version of Yahoo! Messenger 11.
2. Next, update the versions of Microsoft DirectX, Microsoft Internet Explorer, and Microsoft Windows on your computer.
3. Uninstall and reinstall the software for your yahoo webcam device.
- On your keyboard, press Windows Logo+R to open the Run command.
- Type in appwiz.cpl and click OK. This opens "Programs and Features."
- Select the webcam software or driver from the list.
- Click Uninstall.
- Unplug the yahoo webcam's USB cord from the computer.
- Restart your computer.
- Visit the webcam manufacturer's website to download and install the latest software or driver.