Doug,  I am using X P so there may be some differences.  Mine did the same 
thing, shutting jaws off.  I had to go into the audio devices section on the 
computer and change to  Realtec and then all worked fine.  good luck  73
Ed   K7UC

--------------------------------------------------
From: "Doug Payne" <[log in to unmask]>
Sent: Wednesday, July 13, 2011 12:52 AM
To: <[log in to unmask]>
Subject: TS 590s: Laptop Audio Disappears when Radio Connected via USB

> Hi,
>
>
>
> I installed the virtual com port driver from the Kenwood site. Both
> installations succeeded. I then turned on the radio, and plugged the USB
> cable from the radio into a USB port on the laptop. Windows 7 detected the
> new harware, and reported the supporting driver was installed 
> successfully.
> However, now whenever I plug in the USB cable, I lose all audio from the
> laptop. The audio returns when I unplug the cable. From what I can tell 
> with
> my low vision, the laptop is operating normally otherwise. I can open the
> Start Menu, launch programs, etc.
>
>
>
> I verified the audio in/out (Menu option 63) is set to ACC2. I've also 
> tried
> rebooting the computer. My next step will be to reset the radio.
>
>
>
> Has anyone experienced this problem? How did you resolve it? Thanks for 
> your
> time.
>
>
>
> --Doug, AC7T