Some dashboards and reports require runtime parameters to be filled in before they can be displayed. The Parameters dialog box is automatically displayed when the item is first accessed. Input the parameters, then click OK.
Tip:
To refresh the dashboard or report without making parameter changes, click the name of the dashboard again in the Gallery pane or click the Refresh icon in the upper right of the viewer.
To see an overview of the current parameters, place the cursor over the i icon beside the parameters button in the upper right of the item view:
To change the dashboard or report parameters: