Windows 10: Cant connect bluetooth devices. Cannot remove exsting bluetooth devices.

I have few controllers that used to connect via bluetooth, but suddenly stopped working. I tried removing the devices in bluetooth devices but that did not work. It said removal failed and went back to being not connected.I removed all references to the controllers in the device manager including showing all hidden devices and I deleted all devices from Registry editor"Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Devices"Two more controllers show up in bluetooth devices and cannot be removed. I can find the controllers when set to pairing via add devices b

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Cannot use bluetooth device

1 Pairing is done in Settings, Devices
1.1 You click on Add Bluetooth or other device
1.2 You choose Bluetooth
1.3 If there is a pairing button on the bluetooth device itself then you press that now. You need to check the instructions for your bluetooth device to see how to do this - several automatically go into pairing mode when they switch on, others have a button that needs to be pressed for, say, 5 seconds.
1.4 The computer detects all available bluetooth devices and you select yours from the list. If yours is not on the list then Windows could not detect it.
1.5 It connects - pairing includes connecting
1.6 The computer sounds a buzz in the earpiece then displays Your device is ready to go and you click on Done
1.7 The device is shown in the devices list below the subheading Audio and it shows it as connected
1.8 The device should also appear in Control panel, Sounds, Playback tab
1.9 The device should also appear in Control panel, Devices & printers
1.10 {I just paired some bluetooth earphones as I typed so I could make sure these notes were correct} You use a music player and the sound comes out of the bluetooth earphones

2 If this is not happening for you then go to Contol panel, Devices & printers
2.1 Right-click on the device & select Remove device
2.2 You can now try pairing from scratch again
2.3 Several other users have reported that only removing the device with Bluetooth command line tools - BluetoothInstaller allowed them to re-pair again [see xzion's guidance below]
2.4 Yet others reported that only the KeithM code or Bungee's guidance worked for them [see below]

3 Where is this all going wrong for you?
[I assume we are definitely talking about bluetooth headphones/earphones. I understand that WiFi ones do also exist.]


4 Additional guidance -

Unpair a Bluetooth Device - TenForumsTutorials
Connect a Bluetooth device in Windows - Windows Help

Steps to completely remove a belutooth device so pairing can be done again [post #9, xzion] - TenForums
Steps to completely remove a belutooth device so pairing can be done again [post #22, KeithM] - TenForums
Steps to completely remove a belutooth device so pairing can be done again [post #39, Bungee] - TenForums
Several people registered in TenForums just to be able to thanks xzion, KeithM & Bungee. Apparently, what worked for some people did not work for others so each solution seems worth trying.


Denis

 

Cannot use bluetooth device

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Bluetooth Audio Device will not be removed and will not connect

I have a set of bluetooth speakers connected to the Nobsound 10-G Bluetooth device and for the past 6 months or so its worked fine. Two nights ago I put my laptop to sleep and occasionally the device has a strange issue where everything wakes up except the screen so i have to turn it off and on again. This happens every once in a while so it wasn't a big deal until i realized the bluetooth wasn't connecting.

The issue is as such: In Bluetooth settings the device shows up as Paired. If i click it to connect, it says connecting then flashes the word connected before immediately going back to saying paired. The Bluetooth speakers do not respond at all to this. If i remove the device in an attempt to re-Pair it, the device does not show up in searches. I have unplugged the Bluetooth device and everything, but it never shows up.

However, if i turn Bluetooth searching off and on again. The device immediately shows up again as paired.
And if i remove the device completely from device manager and the control panel, it even sets up the device on its own.

Note that this happens even if the Bluetooth device i'm trying to pair with is off, or unplugged or vise versa. No matter what i do, the device will not properly be removed. I've gone into the Device manager, and removed everything. I uninstalled the bluetooth drivers and reinstalled them, i even did a registry edit in Windows NT to rollback the version to 6.2 in hopes that it would help. Nothing changed.

I did notice that if i click connect while the device is unplugged or off, it says that Windows could not connect. So when i'm trying to connect, it can tell that the device is off, but for whatever reason windows refuses to fully remove the device.

I'm on windows 10, using a Razer Blade Stealth from 2016.

Here's an image illustrating the problem.