Don't know about the message. Try a hard rest. That is, with the power on, remove the battery for at least 30 seconds. See if that fixes things.
The mute button is probably on the top end of the device on one side or the other. But if you can't find it you can always download the manual online.
Posted via BlackBerryForums.com Mobile
Last edited by aiharkness; 09-06-2010 at 12:53 PM..
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