Resolving Sound or Video Issues This article explains why an audio or video issue could happen and how you can fix it. In This Article Why isn't my sound or video working? Adjust System Settings Check Internet Speed Clear Cache and Cookies Try a Different Browser Why isn't my sound or video working? Streaming sound and/or video requires a high-speed internet connection, and works best on up-to-date browsers and devices. If you’re having difficulty with sound or video, try each of the solutions below. Adjust System Settings You may need to adjust your system audio/video settings. Check the volume and audio capabilities on your computer, and attempt to re-load the lesson after making adjustments. Check Internet Speed Streaming requires you to have a high-speed internet connection. If the video/audio is starting and stopping, then the issue may be a slow internet connection. Clear Cache and Cookies You can try clearing your browser’s cache and/or cookies to resolve the issue. Refer to your browser type below for more info: Google Chrome Safari Firefox Internet Explorer (Edge) After clearing your browser’s cookies, try restarting your computer to reload the course. Try a Different Browser Try accessing the course with a different web browser: Internet Explorer (Edge), Firefox, Safari, or Chrome. Was this article helpful? Yes No Your feedback helps us improve our help center.