Review this article if your professor is using Respondus Lockdown Browser or Respondus Monitor this semester.
Use these directions to get back your task bar after using Respondus.
Use these instructions to get started in using the Respondus Lockdown Browser to take an exam in Blackboard if required by your instructor.
This article explains how students can install and use Respondus LockDown Browser on a Chromebook for taking online exams in Blackboard.