In order to fix the issue, navigate to Acer Drivers and Manuals web page, identify your computer model, select your operating system and download the latest webcam files. After that, press Windows + R key combination, type devmgmt.msc and click OK. Expand the Imaging Devices list, right-click the webcam driver and select Update Driver Software. Use the Browse option to navigate to the downloaded package, select the driver and install it following the on-screen instructions.