When I click Chat in the product tray, a new tab opens with just a white screen. Why doesn't Chat load for me?
If your Chat account is linked to your Support account and you are not able to log in, you may not yet be enabled as a Chat agent. For steps on how to resolve this issue, see the article: How can I fix "Zendesk Chat is not enabled for you" error?
For more information, see this article: Determining your Zendesk Chat account version.