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42 posts


# 41379 15-Sep-2009 11:20
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Please help me before I lose my mind.

Whenever I plug my mouse or indeed iPhone cable into my Sony Vaio laptop I get the message that the USB is not recognised - not all the time but even if it does work, it'll stop.

Now I have had this issue in my previous Compaq laptop too.  Both computers run XP Home.  It all started about six months ago and back then I though the issue was a dead mouse but of course, it wasn't.

I researched and followed the instruction to remove the battery and put it back in - this worked for a time.  Another answer was to delete a certain windows update which I can no longer remember but I did that and again, worked for a while.

The other day I had had enough so purchased a second hand Sony Vaio.  All was well and now ... it isn't.  The same freakin' problem.

I hate the touch pad but regardless - I only have two USB ports and I need to use them for the printer and iPhone cable.

Please please help me.  I cannot be the only person who has had this issue and someone somewhere must have been able to fix it.

I am going to sit here and wait until you answer.  haha


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Wannabe Geek

  # 255851 15-Sep-2009 13:24
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I've also had the same problem, went from computer to computer to find out the problem. But then I saw a rather small chip on connector and thought.. That... really can't be why..

So I purchased another cable and gave it a whirl. tadah! my problem was fixed.

If you know someone with a cable try using one of theirs. Hope that helps. :)

42 posts


  # 255859 15-Sep-2009 13:44
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Hi there

Way ahead of ya! I have put a new mouse in (both times) and it works ... for a while before the problem rears its head again. Logic tells me that this is a Service Pack issue - all was well with everything until a windows update - damn it to heck.

I have pulled out my Mac and despite some of my programs not working with that, I would rather go through life without getting that USB Not Recognised message again. I would dearly love to know the answer though.

Thanks for your input :)


1691 posts

Uber Geek
+1 received by user: 15


  # 255883 15-Sep-2009 15:17
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go into the control panel, system, hardware, device manager, and uninstall the bit of hardware connected by USB?  Unplug it, restart your computer and try and plug it in again.

42 posts


  # 255885 15-Sep-2009 15:28
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Hiya - Yup - been there done that. I have deleted the root hubs and that didn't work. I have removed the power management (just in case that could help) from the hubs. It shows Unknown Device - regardless of what is plugged into the USB ports.

Right now I have changed mice and it is working fine but I know it is not over. It is simply biding it's time before it starts again. *groan*

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