First go to the device manager and check the "Imaging Device > Acer Web Cam" is available without any error. If not available, it may be a hardware issue. If available , try to uninstall webcam application and reinstall it. Please give me the feedback. Hope this will help you.
It takes a special kind of person to lead! We all know this. Over the past 3 years or more, visitors to Acer Community were witness to a leader in our Top Ranked ACE member, IronFly. Recently he hit a new milestone of 1000 solutions authored. Leading the way has always been and continues to be his way. We are proud of you IronFly.