Error "Adding the device failed resulting in an unkown error. 0x80004005" when adding Bluetooth headset

Anonymous

I'm having an issue re-pairing my Bluetooth headset with my laptop. I'm running Windows 7 Enterprise 64. I have repeated this behavior with 2 different headsets. Here's the problem:

1. I pair the headset with my laptop and everthing works fine

2. I go into Bluetooth Devices and remove the headset device

3. I then attempt to pair the headset to the laptop and receive the error

I have not been able to find anything online to help. I have spoken to the manufacturer (Plantronics) and they were also unable to help. Surely there's got to be a way to get it to pair again. I'm desperate for help. I really don't want to rebuild my machine just to get the headset to pair again.

Thanks in advance for an assistance.

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Anonymous

Hi guys,

I couldn't pair either of my two headsets to my Windows 7 machine. Here's what fixed it for me. In Device Manager, under Bluetooth Radios, I opened the properties for my radio (Broadcom 2046 Bluetooth 2.1+EDR USB Device with First Connect). Under the Advanced tab, I took the hyphen out of my radio's name. The headsets paired immediately after that.

This is a pretty serious bug considering the radio takes its name from the computer name, which is username-PC by default when you install Windows 7.

I hope this solves your problems.

Note that in order to actually use the headset, you will probably have to update your Bluetooth drivers if you haven't done so already. Go to http://www.broadcom.com/support/bluetooth/update.php

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60 additional answers

Anonymous

2010-03-19T21:32:03+00:00

I've tried removing the software and moving it to a different port again - it still reinstalls all the driver software but then gives the same error.

Interestingly I've tried changing the name of the BT mouse (as it 'sees' it fine and I can click on properties for it when in the 'add device' screen) and it seems to remember this name even when I uninstall/reinstall the BT drivers. This makes me think (as Tom said before) that Windows is caching this pairing somewhere, but I can't for the life of me work out where this is - I've tried searcing the registry but to no avail.
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Anonymous

2010-03-19T21:16:17+00:00

Hi Tom

Yep tried that - all to no avail :-(

I've been searching all over and have found a few people describing similar issues but with no obvious fix :-((
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Anonymous

2010-03-19T20:52:48+00:00

Alan -- Did you try uninstalling the BT drivers to your dongle? ... Go to your Device Manager (usually just typing 'Device Manager' from the Start Menu search bar will do it, otherwise, in the Control Panel (the newer, categorized one in Vista/7), under System and Security -> System, click 'Device Manager' (should have a security shield next to it) ...

The top device category in your device manager should be 'Bluetooth Radios'; expand this and right click over each/any component shown ... select 'Uninstall' ...

... then try moving your dongle to a previously-unused USB port

This is what I did to get my successful pairing ... i have since been able to manually connect/disconnect without issue.

Good luck! :-)
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