Consternation in Jira 7.4.0 with COPY AN EXISTING BOARD

I'm using Jira 7.4.0 and attempting to use "Copy an Existing Board" to create new Scrum boards within my team's JIRA project.  "Copy an existing board" will create a new board.   However, I find it impossible to correctly set up a filter in the newly-created board.   None of my  "saved" filters appear in the list of Saved Filters.  When I try to edit the filter query, it points to the filter from the original board (which I do NOT want to modify).   If I select to modify the filter query, the UI takes me to the Filter screen, where I can run the search and perform a "Save As" (using a new name that is consistent with the new board), I can save the new filter.  But that's where it ends.  Once I find my way back to Board Configure, I'm still stuck - no way to add that new filter.     Any suggestions?