I have a 5 month old sansa clip+ that has stopped giving out any sound. The screen says it’s working, has all the normal display but no sound, have tried several earphones and stereo speakers. Looking at the headphone hole there is evidence of slight damage, ie where the baby may have tried inserting the headphones too forceably at the wrong angle. Is this likely to have damaged the inside? Anything I could do to it? as I assume the warranty would be invalid.