Com Ports problem - Windows XP
 




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I have a USB cellphone for which every time I connect it to my
computer, reinstalls the drivers. It also happens to install what
would appear to be a Virtual comport... but every time it reinstalls
the drivers, instead of using the same com port number as before, it
adds another com port. I cannot change it to use a previous port
number because they are all "in use" long after the device is
disconnected. I am now up to com port 13, which is out of range for
some software that only supports up to com 4 or com 8. Is there a
specific reason it is reinstalling every time I reconnect it? (the
device id / vendor id is also exactly the same) And, is there any way
to remedy the situation via regedit?

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Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

dlawler,
Take a look here;
'Device Manager '
(http://support.microsoft.com/default.aspx?scid=kb;en-us;315539)
I have no idea why it wants to keep installing the drivers, unless of
course it sees your phone as a new device each time. When you finally
get to see these extra comm ports, I do believe you can just delete
them.
Best,
Treeman


--
Treeman


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Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

If you instal the cell phone onto different USB ports, by default USB will
re-install the drivers when the port changes.


"Treeman" <Treeman.1u69wr@no-mx.msusenet.com> wrote in message
news:Treeman.1u69wr@no-mx.msusenet.com...
>
> dlawler,
> Take a look here;
> 'Device Manager '
> (http://support.microsoft.com/default.aspx?scid=kb;en-us;315539)
> I have no idea why it wants to keep installing the drivers, unless of
> course it sees your phone as a new device each time. When you finally
> get to see these extra comm ports, I do believe you can just delete
> them.
> Best,
> Treeman
>
>
> --
> Treeman
>
>
> ------------------------------------------------------------------------
> Treeman's Profile: http://www.msusenet.com/member.php?userid=1260
> View this thread: http://www.msusenet.com/t-1870998318
>

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Archived from groups: microsoft.public.windowsxp.hardware (More info?)

 

On 21 Aug 2005 03:44:46 -0700, dlawler@gmail.com wrote:

>I have a USB cellphone for which every time I connect it to my
>computer, reinstalls the drivers. It also happens to install what
>would appear to be a Virtual comport... but every time it reinstalls
>the drivers, instead of using the same com port number as before, it
>adds another com port. I cannot change it to use a previous port
>number because they are all "in use" long after the device is
>disconnected. I am now up to com port 13, which is out of range for
>some software that only supports up to com 4 or com 8. Is there a
>specific reason it is reinstalling every time I reconnect it? (the
>device id / vendor id is also exactly the same) And, is there any way
>to remedy the situation via regedit?

XP has a bug associated with assigning com port addresses to USB
devices. Every time the device is connected, it is assigned a
higher com port number. In the advanced section of the com port
setup in device manager when the device is connected, you can
just reassign the port number for the device to a lower port
number that you know is not in use, and ignore the windows
warning. I've done this with my USB/serial port adapter and XP
seems to remember the assigned com port after that. Check the
link below for some info.

http://www.modemsite.com/56k/xptip.asp



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