450223 10:51 02 Nov 2006

I have built a PC for a friend, it is happly running XP Pro with SP2. Intermittently an error is comming up, as follows... The error which pops up every other attempt is:
A USB device has exceeded the power limits of its hub port.
For assistance in solving this problem, click this message.

This leads to a window that shows an unknown USB device which can be highlighted and then reset or a close option. The note says if you click close the port will cease to operate. I've tried both options several times. There is nothing plugged into any! USB ports.

  Fruit Bat /\0/\ 11:01 02 Nov 2006

Refresh USB Ports
In device manager Uninstall EVERYTHING under the heading USB,
reboot the PC let XP find and install new hardware.

See if the error occurs again

  450223 06:44 22 Nov 2006

To Fruit Bat /\0/\ Unfortunatly this action does not cure the problem!

  xania 09:29 22 Nov 2006

Have you connected Front USB connections on the motherboard to anything? If so, you may find you have mis-wired. Disconnect and see if this cures the problem.

  450223 09:31 23 Nov 2006

Nothing connected to any USB ports anywhere!

  xania 12:15 23 Nov 2006

No - its not something connected to a USB port - its a use port connected to the Front USB connections on the motherboard that can be causeong the problem. This is a set of nine prongs onto which you slot individual wires from your USB connection. If this is miswired, the report you are receiving can occur.

  450223 07:01 25 Nov 2006

There are no front USB connections on the motherboard!
Nothing connected to any USB ports anywhere! Front, Back, Top, Bottom, inside or outside!

  Fruit Bat /\0/\ 11:17 25 Nov 2006

Makes me wonder if you have a short from USB bus to earth (frame)

  450223 18:55 26 Nov 2006

Are, yes,Fruit Bat /\0/\ you proberbly have a point there. I will have a close look at the casing next time I am down at my friends house.

Many thanks.

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