Added 2/27/19
We've received numerous reports of students experiencing a blank screen when trying to access Buzz on their Chromebook. This issue appears to be caused by a Chrome extension called "Screen Shader." Please follow the steps below to disable this extension.
1) Open Chrome. Go to the main menu, choose "more tools" > then choose "extensions"
2) Click the slider for "Screen Shader | F.lux for Chrome" to disable the extension or click the "Remove" button to remove the extension from your system.