I have a nook tablet hd and I'm having problems whit it sometimes it mutes by itself and I can't unmute it I press the button that has the cross over that speaker but nothing and the only solution that I have is to erase and deregister that tablet so if you knowshow to fix it whit out me having to erase it can you please leave a solution
См. статью: How to unmute a nook tablet hd?