In case you face issues while setting up proctoring on Chrome please follow these steps:

Step 1 - Go to below link:

(copy and paste the url in the browser address bar on a new tab)  

Step 2 - Change the default settings of Camera and Microphone to "Allow" (Refer the images below)

a) Allow Camera Access:


b) Allow Microphone access:


Step 3 - Go back to your assessment link and refresh the browser to reload the changed setting

Step 4 - Proceed to enable Camera access