To ensure Google Classroom is working correctly, both students AND teachers need to have pop-ups enabled on their browsers.
If you see this red message, Google Classroom is NOT connected:
To connect Google Classroom (assuming you already have created a Google Classroom and students have already joined).:
In Google Chrome, if popups are disabled, you'll see this image in the top right of the search bar:
1. To enable them, you can do two things:
A. Click on that image and "always allow pop-ups."
B. Click on the green lock (top left) and choose "allow."
2. Now, log out and log back in.
On the page https://www.tynker.com/myclasses/ wait a second and a pop-up box should appear. It looks like this:
3. Click Allow:
Once you click allow, you and students should see all lesson material AND also be able to turn in assignments from the Tynker.com dashboard.
This also needs to be done once for every student account.