Turn them on... Nothing at all.
I have QC45s. One morning, I put them on, and nothing happened. If I plug in the USB to charge, the light gives one flash, and the laptop does a ba-beep as if something is connected. But no other signs of life no matter what.
I called Bose, went through diagnosis, and they said it is dead and offered me a tiny discount on new ones.
I disassembled them a bit and read almost 4V on the battery. So, it's not that.
Has anyone else experienced this? Do wires break in the headband? Is there any other possible cause? These things aren't meant to be serviced. But for $500, I will try...
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