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Solved

USB controller missing on win2K

Posted on 2002-03-18
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Last Modified: 2010-04-14
The USB controller controller has disappeared from the Device Manager on my Win2K box. hence, my USB devices are no longer recognised. I think either:-

a) Win2K has lost track of the windows USB driver. If so, how do I fix it ?
b) There is some form of extra motherboard USB support driver needed. This is now missing?  Is there such a thing required for 2K? I can't see one on my motherboard Manufacturer's web site?

Any ideas?
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Question by:arunm
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jhance earned 200 total points
ID: 6876629
Did it work once and has now disapperated or was never present under W2K?

Have you checked your BIOS setup to make sure that you didn't disable your USB hardware?

Are you sure that W2K supports the USB hardware on your motherboard?  Check the Microsoft HCL list on their web site for your specific motherboard or system.

Some non-MS supported USB hardware is supportable via vendor supplied drivers.  Check with your motherboard or system vendor for details.

It's also possible that your USB hardware has just failed, but that would be highly unusual.
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by:arunm
ID: 6876650
Yes, my present configuration did work. I'll check the BIOS and the HCL. Presumably this will tell me if I require a third party driver or a MS Win2K driver?

As regards hardware failure, i'm not aware of ant specific tools that can check for this?


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Expert Comment

by:jhance
ID: 6876661
Well if it worked once then that pretty much excludes the driver support unless it got uninstalled somehow.  Check to be sure.

If the hardware has failed and it is enabled in the BIOS, the BIOS self-test (POST) should detect the problem.
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Author Comment

by:arunm
ID: 6876686
> Well if it worked once then that pretty much excludes the driver support unless it got uninstalled somehow. Check to be sure.

This is part of the problem. As I have no USB controller entry in thedevice manage. So I can't actually see whether a driver is present or what the driver is (or should be).

I suppose I can look for the usb* files in the drivers directory, but this wouldn't actually tell me if the drivers are being used.

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Expert Comment

by:jhance
ID: 6876953
Again, the most basic question which you've still failed to address:

>>>Have you checked your BIOS setup to make sure that you didn't disable your USB hardware?
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Author Comment

by:arunm
ID: 6877108
Unfortunately, i'm at work and the machine is a home. I'll do it soon as I get back.
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Author Comment

by:arunm
ID: 6878238
It was the BIOS. know idea how that happened, although I did notice that my system clock as out the other day. I corrected it without thinking twice. Hmm, that will teach me. Thanks.
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Expert Comment

by:jhance
ID: 6878249
Could be your CMOS backup battery is going dead.  I'd recommend a replacement ASAP to avoid further such problems.
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Author Comment

by:arunm
ID: 6879446
Im not suffering from the usual continuous time loss. I think I must have shorted it.
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Author Comment

by:arunm
ID: 6879448
or loosened it!
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