Why can't I adjust the volume to the maximum level? Category : Setup / Operation If the volume level still remains the same or a warning message pops up after you press the " " button to adjust the volume, please ensure that the [Volume limit] setting is disabled. Route: SETTINGS > Volume Limit > off Is the answer helpful? Related There are some folders in my new Digital Media Player , can I delete them? Why is my media player not responding or not functioning properly while connecting to the computer? My file format is supported by the MP350, and the file can be played on my computer, but I get error messages when I play it on the MP350. Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started