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JBL T450BT charging ok but won't turn on

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Hi. My JBL T450BT is charging, because white LED is on. However, when I unplug from charging and switch the power button on, it does not respond. I have tried recommendations here, from long pressing power button, to simultaneous other button presses, and even plug and unplug combination of pressing buttons, yet somehow none of all that works. Not sure about opening the screws to adjust the buttons and alignment.
Any thoughts? Thank you.
Question by Q 3:18pm, 24th September 2020

There is 1 response to this question including 1 solution

Mike (Admin) responded : 3:19pm, 24th September 2020 (2 years ago)
This may suggest a faulty device/internal battery if it's unable to operate without mains power. I would return to your retailer if possible.

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