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Blackboard Help Page: Home

Your resource for Blackboard support!

Blackboard Access

Blackboard Notice

Blackboard has updated their security certificates, and this has prevented some older software systems from connecting to Blackboard properly. If you are having issues with Blackboard (unable to connect, Jumbled screen views etc.), please run the Blackboard Browser Checker. If the checker indicates your browser is no longer compatible with blackboard, you will need to install an updated browser.

For additional support, contact the Blackboard Helpdesk at 1-800-CDU-HELP or email the Blackboard Helpdesk

Blackboard Collaborate Guide for Students

Chrome for Blackboard Collaborate


The suggested browser for using Collaborate is Google Chrome. If you do not already have Chrome, please click on the link below to download the browser for either Mac and Windows:


Useful Instructor Resources

Blackboard Help Desk Email and 24/7 Telephone Number

Blackboard Helpdesk Support Email

Blackboard Help Desk Contact Number (24/7)



24/7 Chat Support available from the Help Center page

During normal business hours you can click the Teams chat link here for  Linda Towles (Blackboard Administrator).


In Person technical support is provided by the CDU IT helpdesk at the circulation desk of the Health Sciences Library.

The helpdesk technician is available

Tuesday - Thursday 11 am - 8 pm
Friday - 9:30am - 6:30 pm
Saturday - 7:30 am to 3:30 pm  (from 7:30-9:00 AM, at front desk adjacent to the Cobb lounge)

Proctorio Extension and Help    ---- Download Proctorio as an extension to your Google Chrome (It is required to use Google Chrome browser, download here


Problems with Proctorio? See our self-help hand out below, "Proctorio Self-Help for Mac and Windows" , or call the Proctorio 24/7 support team 866.948.9248

 What is Proctorio?  

Proctorio is an automated remote proctoring solution that seamlessly integrates with existing testing platforms and digitally protects the academic integrity of test-takers and educational  institutions all over the world.  

Protecting the Value and Equality of Education Proctorio ensures the value of online certifications, courses, programs, and degrees; while  guaranteeing that each enrolled test-taker is presented with the same opportunities and  advantages to accomplish their academic goals.

This is achieved through secure and customization online exam settings that protect exam  administrators’ course content, test takers’ privacy and the integrity of all involved.   

Blackboard Mobile App

Blackboard Mobile App
Troubleshooting Login Steps


If you log in to the Blackboard App and see a screen similar to the one below, your Blackboard App may not be properly connecting to the CDU Blackboard.

Follow these steps to correct the issue:

iOS Android
  1. Uninstall Blackboard app
  2. Go to Settings > Safari > Clear History and Website Data > Clear
  3. Restart device
  4. Reinstall Blackboard app
  1. Go to Settings > Apps > Blackboard > Storage > Clear Data
  2. Uninstall Blackboard app
  3. Restart device
  4. Reinstall Blackboard app