My daughter has been given a Medion TV (MEDION LIFE P13078 (MD 20185) A-UK). The TV and DVD work well. The volume down button on the remote control does not work - instead you have to press the left button on the navigation buttons. This is OK when watching TV but you cannot use that button when watching DVD films. As a result you can't turn the volume down when watching DVDs. The volume up button works as expected. How can this be resolved? Any help appreciated. Gareth
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