If that’s the case, you may have to use the Windows antivirus or other antivirus software compatible with Windows 10. The laptop camera not working may be due to an antivirus program you’ve installed. Camera Software Not Compatible with Antivirus Program And a faulty webcam driver can also cause issues. Also, a damaged camera or cable can prevent the device from working properly. Sometimes, you may have a bad laptop camera or external webcam and may need to replace it. In addition, the software may be outdated or incompatible if you have an external webcam. One of the main reasons your webcam may not function could be missing drivers due to corrupted device drivers or an update. Let’s briefly go through them to find the causes of the webcam not working Windows 10: Software-Related Issues The laptop camera not working could be due to several reasons, which could be hardware and software issues and other related factors. That means it relies on drivers and how you configure those drivers to function. But first, remember that even though your laptop camera is built in, it’s still technically a third-party device. There are several reasons for this question.