To troubleshoot the Recess.tv, try clearing your cache in Google Chrome. To clear the cache follow the steps below:
Click on the Menu button in the upper-right corner of the Chrome window. Select More Tools followed by Clear browsing data
Select Menu > Settings > Advanced > Clear browsing data
Select the period of time you wish to delete cached information using the Clear the following items from the drop-down menu. From there you can choose Cached images and files.
Pro Tip: Shortcut for direct access to clear browsing data: Press CTRL + Shift + Delete keys in Windows or Linux, or Command + Shift + Delete keys on macOS.
See the Screenshot below:
Once the cache has been cleared, relaunch chrome and try logging back into Recess. Try viewing an instructor’s demo class to test out the video and audio quality.