You cannot work on your lab because the Companion tab is
not displayed.
The Companion tab contains all instructions for your assignment and is where you check and submit your work. If your assignment does not display the Companion tab, it is likely that the Companion tab is still loading, or you closed the Companion tab.
Companion tab loading
To check your lab's loading status, click 
.
Reopen the Companion tab
Open the Companion tab.
- In the codespace toolbar, click
> Open Companion Tab. - In the GitHub search bar, enter Cengage: Open Extension, then click on the search result.