Sunday 15 September 2019

Poor Bluetooth audio quality and delays on Dell Latitude with Windows 7

I have been trying to use an LG Tone (HBS700) Bluetooth headset on Windows 7 with mixed results.


The PC is a Dell Latitude E6320, and the Bluetooth adapter is the Dell Wireless 375 Bluetooth module manufactured by Broadcom.


I am able to pair the headset with Windows and everything usually starts out fine. However, after some time (maybe 15 minutes to 2 hours) problems start to arise. The headset will disconnect & reconnect from the PC, and then audio quality turns in to something from a static filled radio. Sometimes the audio quality will be ok, but the audio is delayed by a few seconds.


I can fix the issue by powering the headset on and off; or sometimes, I need to remove the pairing in Windows for it to work properly. Other times, I need to power off the BT radio or reboot the laptop completely.


The headset works fine with any phones I've tried, so I'm confident the problem is with Windows or the laptop hardware.

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