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When I use any USB device, it disables my LAN connection until reboot

I'm stumped on this because I see no obvious clues as to why it's doing this.  I have a scanner, a printer, and a digital camera that are all USB.  When I use one of them, it disables my LAN connection.  I am running Win2k Pro and I've checked the device manager and I show no conflicts.

Any ideas?

Many Thanks!
Rick aka BeerAngel
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BeerAngel
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BeerAngel
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2 Solutions
 
CallandorCommented:
Is your LAN on a USB cable modem?  If not, try moving the NIC to another slot.  Some USB problems can be solved with a powered hub, others are much harder to isolate.  Have you checked for IRQ conflicts?
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BeerAngelAuthor Commented:
No, none of my LAN items are USB.  It is connected to the network via an ethernet card. -Thanks!
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sunray_2003Commented:
Does it happen if you plug any one device to any USB port ?

Are you sure LAN works fine without any device plugged to USB ?

Did you do any recent update to your windows 2000 or drivers for these devices before which this issue started ?

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BeerAngelAuthor Commented:
It only happens if the USB device is plugged in and turned on.  And yes the LAN has been working fine for a looong time.  This is how I'm on the internet and also access the public drives.  No recent updates.  It's just been recent that I upgraded the digital camera, printer, and scanner that I realized this.  -Thanks!
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sunray_2003Commented:
As asked previously , does it happen if you plug the device in any USB port or in other words try plugging any one of those devices in multiple USB ports and see if the problem occurs in all of them.

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CallandorCommented:
I would try out a powered USB hub, to see if it can isolate power drains on your motherboard.
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sunray_2003Commented:
So basically what happens after rebooting the machine .. Does it continue working ?

>>  It's just been recent that I upgraded the digital camera, printer, and scanner that I realized this.  -Thanks!

Does it mean you upgraded drivers for those devices ?
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BeerAngelAuthor Commented:
Sunray:  It does happen no matter what USB port.  And after a reboot, I can again use my LAN connection...but again, it disables if I use a USB device....so another reboot is required.

>>  It's just been recent that I upgraded the digital camera, printer, and scanner that I realized this.  -Thanks!

>Does it mean you upgraded drivers for those devices ?

No, I didn't upgrade the drivers, just the actual hardware by replacing older stuff that didn't use USB.  Each device is relatively new with exception of the scanner.

Callandor:  I may have to try what you suggested.  I didn't think about it possibly being a power issue, but I suppose it could be.

Thank you both!
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BeerAngelAuthor Commented:
Well Callandor, I ordered and installed a powered USB hub and that didn't work either.  I'm at a loss here :-|
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CallandorCommented:
I can only conclude that the motherboard USB is not working as it should.  USB isn't consistent with every manufacturer, according to my experience.
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BeerAngelAuthor Commented:
I'm going to split the points just for participation although my problem isn't fixed.  I thank you both for your responses and I belive Callandor's last response might be the culprit.

Cheers!
Rick aka BeerAngel
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