Go to library.ttu.edu

Click on the "Databases" tab

Under the "Search for Databases" menu window, you'll see red text "Off-campus log-in"; click on this. This will take you to "eraider.ttu.edu" sign-in page.

Sign-in with eraider username and password; click "sign in"

Once signed-in, this will automatically take you to the "Search for Databases" page again.

Proceed to click on links from within your particular Blackboard course, and the pdf's should open correctly.

Let your professor know if you have problems.