On Saturday, 3 July 2021 12:59:24 BST Tamer Higazi wrote:
> Hi
> 
> The problem is that the bluetooth circuit seems to be damaged, as I have
> recently the same result on Windows (not only on linux.
> 
> At Windows, I can deactivate the hardware at the "device manager", I
> want this the same to be done on Linux.
> 
> Not the driver, just to ignore the hardware.
> Why do I ask this ?
> 
> I ordered now a new bluetooth 5 stick, what if it uses the same driver ?
> So loading the driver should not be suppressed more the hardware should
> be ignored....

rfkill list
rfkill block bluetooth (or bluetooth device ID)

should block individual device(s).