First, go to Start > Control Panel > Hardware and Sound and click the Add a device option below Devices and Printers. If Windows doesn't find the webcam, click the What if Windows doesn't find my device? button and check the troubleshooting guide. Also, right-click the My Computer/Computer icon, select Manage and go to Device Manager. Right-click the drivers from Imaging Devices section, select Update Driver Software and use the Browse option to navigate to the installation package. Select the downloaded driver and install it following the provided instructions. If the problem is not solved, try to run the utility provided my Microsoft. As a final solution, you can install another webcam capture utility from Software Informer database.