RE: USB ports stopped being recognized!

"Buckeye Steve" wrote:

I have several USB ports on my Dell 4600. I have a USB mouse (which works
fine), but my Visioneer 9220 USB scanner and my Logitech QuickCam Communicate
USB camera stopped working for no apparent reason. If I plug one of the
non-working devices into the port for the working mouse, still nothing!
I am running Windows XP PRO/SP2, with 1Gb of RAM, with all current updates
installed. Dell says that there examination of the hardware shows that
everything appears OK.

Visioneer has no tech support.

- and neither does it look like you can have a late version of the Visioneer
9220 USB scanner driver from their WEB site. However may you find useful
information regarding the USB problem on their Knowledge Database references:

http://support.visioneer.com/KnowledgeBase/Articles/VIS1403%20-%20Visioneer%20FLATBED%20Scanners%20Top%2010%20Solutions.asp

and

http://support.visioneer.com/KnowledgeBase/Articles/VIS1057%20-%20General%20USB%20Communication.asp

Logitech does not know
how to suggest a fix.

Logitech QuickCam Communicate driver:

http://www.logitech.com/index.cfm/support_downloads/downloads/&cl=us,en

PLEASE HELP! Thanks!


This “USB device stopped working for no apparent reason” is a recurring
issue in many Newsgroups, and apparently not always easily resolved. But of
course there IS a reason, if not always apparent. Two main sources for
causing the problem are change - / adding hardware and software (drivers) and
following conflicts as consequence.

It is difficult to give a precise advice on how to resolve your case, as
little information is available regarding the activities which took place
between the “ok - and not ok situation”, like adding hardware and/or software
e.g manual – or automatic updates etc. I would for a start unplug the scanner
and camera, and remove and reinstall USB controllers (preferably firstly the
camera and verify that it works) as per “General USB troubleshooting in
Windows XP”,

http://support.microsoft.com/kb/310575/en-us

The drivers to reinstall should be the latest versions from Visioneer (if
obtainable, otherwise use as when first installed) and Logitech.

References to other USB articles which you may find helpful:

A USB device that is connected to a USB 2.0 hub is not detected in Windows
XP Service Pack 2, Windows Server 2003 Service Pack 1, or Windows Server 2003
x64 versions: http://support.microsoft.com/?kbid=892050

Troubleshooting for USB drives: http://www.uwe-sieber.de/usbtrouble_e.html

USBMan - USB & USB 2.0 Help and Information:
http://www.usbman.com/WinME%20USB%20Guide.htm

Regards,
Ka2H
.

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