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Old 05-22-2009, 09:39 AM   #1
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Question my desktop restarts when i connect any device to usb port

hi is there some one can help me .i have a computer when i connect any usb device the system restarts . i changed the mother board the casing but still same. i have widows xp with amd proccesor.
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Old 05-22-2009, 09:41 AM   #2
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Default Re: my desktop restarts when i connect any device to usb port

Wow, that is an odd problem.

Maybe the usb port is short circuiting which is causing the pc to reboot? Try using a different power supply and see if the problem continues.
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Old 05-22-2009, 09:48 AM   #3
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Default Re: my desktop restarts when i connect any device to usb port

Ok,What motherboard do you have? And what USB Devices have you tried?
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Old 05-22-2009, 09:50 AM   #4
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Default Re: my desktop restarts when i connect any device to usb port

dunno if it helps, but ur computer isnt trying to boot from the USB device is it?
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Old 05-22-2009, 10:09 AM   #5
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Default Re: my desktop restarts when i connect any device to usb port

USB power is limited. If you plug in a power hungrey device or several of them the usb ports current limiting protection will kick in and reboot the system.
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Old 05-22-2009, 12:16 PM   #6
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Default Re: my desktop restarts when i connect any device to usb port

Exactly, if the device requires a 2.0 (powered) bus it will overdraw the 1.1 and auto-reboot the system. Happened to me when I put my Logisys Bay Device with USB 2.0 on my old gateway with USB 1.1. locked up the system.

Check to see what the headers are rated at on your board - It's a new board and should have USB 2.0 but you never know...
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Old 05-22-2009, 12:47 PM   #7
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Default Re: my desktop restarts when i connect any device to usb port

Quote:
Originally Posted by LukaszR View Post
Wow, that is an odd problem.

Maybe the usb port is short circuiting which is causing the pc to reboot? Try using a different power supply and see if the problem continues.
^^ That's most likely it. Dropped my laptop and now I can't use the top usb port. Broke the plastic hold right off. Laptop turns off right away if I plug anything into it.
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Old 05-22-2009, 02:27 PM   #8
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Default Re: my desktop restarts when i connect any device to usb port

its the problem with the USB power
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Old 05-22-2009, 07:44 PM   #9
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Default Re: my desktop restarts when i connect any device to usb port

Ok,
The problem is.
Your Power Supply.
You need find one thats got more power in it.
I would subject www.newegg.com

And if its not that.

You have too Many Things Plugged into the Ports.
If not.
You can Test your POWER-SUPPLY at www.newegg.com

Hope i helped
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Old 05-22-2009, 08:45 PM   #10
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Default Re: my desktop restarts when i connect any device to usb port

I had the same problem with this case? You aren't using it by chance? http://www.newegg.com/Product/Produc...82E16811147074
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