diff --git a/program/MainWindow.cs b/program/MainWindow.cs
index d0d2d96..0af3392 100644
--- a/program/MainWindow.cs
+++ b/program/MainWindow.cs
@@ -97,18 +97,21 @@
         {
             _settingsWindow = new SettingsWindow(_arduino);
             _settingsWindow.BackRequested += OnSettingsClosed;
+            _settingsWindow.ShowAll();      // build it fullscreen once, up front
+            _settingsWindow.Fullscreen();
         }
 
-        this.Hide();
+        
         _settingsWindow.ShowAll();
-        _settingsWindow.Fullscreen();
         _settingsWindow.Present();
+        this.Hide();
     }
 
     private void OnSettingsClosed(object sender, EventArgs e)
     {
         this.ShowAll();
         this.Present();
+        _settingsWindow.Hide(); 
     }
 
     private void OnArduinoConnectionChanged(bool connected)