Step 1. Login as an administrator and select Administration.
Step 2. Select Site Administration
Step 3. Select Appearance tab
Step 5. Select Default Dashboard page
Step 6. Select Blocks Editing On
The button 'Blocks Editing On' is active when the 'Blocks Editing Off' is displayed
Step 7. Select an item from the Add a block
e.g. The Calendar block has been selected from the list for this example.
Step 8. Select Reset Dashboard for all users
The dashboard has been reset for all users to the reflect the default dashboard