Bose QuietComfort 45 Noise-Canceling Wireless Over-Ear Headphones (White Smoke) - Manual (Page 37)

TROUBLESHOOTING
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SYMPTOM SOLUTION
No sound
Power on the headphones and charge the battery.
Check the state of the status light (see page 29).
Slide the Power/
Bluetooth switch to the right and release to hear
the connected device. Make sure you are using the
correct device.
Move your mobile device closer to the headphones and away
from any interference or obstructions.
Use a different music source.
If two mobile devices are connected, pause your other
device first.
If two mobile devices are connected, move the devices within
range of the headphones (30 ft or 9 m).
Try a locally stored music or video file on your mobile device.
Poor sound quality
Use a different music source.
Connect another mobile device (see page 25).
Disconnect the second device.
Move your mobile device closer to the headphones and away
from any interference or obstructions.
Try a locally stored music or video file on your mobile device.
No sound from a device
connected by the
back-up audio cable
Secure the ends of the back-up audio cable.
Increase the volume on your headphones, your mobile device
and music source.
Connect another device (see page 25).
Poor sound quality from
a device connected by
audio cable
Secure the ends of the back-up audio cable.
Connect another device (see page 25).
Action button doesn’t
change the noise
cancelling mode
Make sure your headphones are powered on.
Use the Bose Music app to change the noise cancelling mode.