=== Sound in only one ear === - Check if the indicator on the remote volume control is lighting up in both channels when sound is played. - Make sure the audio balance from the source (PC/DVD) is centred . - To check/adjust balance for the DVD ... - To check/adjust balance for PC, right click on the speaker icon (image here) in the System tray on the right bottom corner of the screen and click on **Open Volume Controls**. The volume control dialog should be displayed. All the balance sliders in the dialog should be centred between the 2 speaker icons. {{biac:troubleshoot:headphones_vol_ctrl.png}}