USB port remembers drivers previously loaded for plugged-in devices. Can it be reset?

> Probleme solved. In Divice Manager, with the USB handset plugged in the
> problem USB port, select USB Audio Device in Sound, video and game
> controllers. Uninstall it. Unplug device (USB handset) and replug it.
> Vista re-load the drivers ... :-)
>
> On Sat, 11 Aug 2007 22:42:13 +0200, Alain Caillet <AA-Caillet@wanadoo.fr>
> wrote:
>

>>
>> After connecting a USB phone handset, Vista loaded the driver, requested
>> a reboot. I did then realised that only the USB microphone device showed
>> up in Control panel/Sound/Recording tab. The USB speaker device didn't
>> register under Playback tab
>>
>> I plugged the handset in an other USB port. Driver loaded...I did reboot
>> and this time, in Control Panel/Sound both Recording and Play back tab
>> listed a USB Audio Device working!
>>
>> If I return the uSB hanseet to the first USB port, it has memorised the
>> driver setting and it still recognizes only the microphone. How can I
>> rest the "driver memory" for this USB port. I imagine it's somewhere in
>> the registry but where ?
>>
>> Thanks in advance
>> (Sorry for cross posting in Vista.general ... I can't wait to fix this)

>
>
>
> --
> Alain Caillet
>