If you are not receiving the audible notifications or Home screen indicators that you expect for a group, try performing any of the following actions:

• On the Home screen or in the Instant Messaging folder, click the BlackBerry Messenger icon. On the contact list screen, in the BlackBerry Groups category, click a group. Press the Menu key. Click Group Details. Verify that the Turn off all notifications for this group field is set to No.
• On the Home screen, click the Sounds or Profile icon. Verify that the All Alerts Off sound profile is not active.
• On the Home screen, click the Sounds or Profile icon. For the active sound profile, verify that the BlackBerry Messenger Groups item is not set to Silent.