I am sure you have this figured out, but maximize your window, then Select Composer window (source record), Then go under windows and choose home.
Michael’s Idea of workspace windows should work as well.
When in doubt, create new user settings. It is a dirty way to do it, but worth a try.
James Beattie
ACSR Elite/Avid ACI, Apple Certified Technician
Consulting for Workflow and Digital Technologies at Comprehensive Technical Group