Why wont my USB ports work?

Hello, this is my first post and i am after a little help.
i am having problems with my usb ports, i have a k8neo platinum mobo. i have usb ports on that, i have two front usb ports and i have a 4 four in a pci slot. a few weeks back they work working, i had been using a pen drive fine and my friends external hd connected through my front usb ports. now for some reason none work. i have tried my pen drive in every usb port and none work, the pci usb ports dont recognise it and all the others dont see anything at all. i have checked the bios and that seems fine. i dont know why they would just stop... i run win xp pro with service pack 2 so it should have no problem? any help would be great.

Fenix, after reading your post above, I decided to check my Antec case's wiring, manual, website and check the MOBO manual. In my instance the case, disregarding the 9th wire, and the MOBO agree. I did find some interesting information about the connector block and the Antec case. I bolded the warning information:
http://www.antec.com/us/support_roductInfo_FAQ.php?Qnumber=5&FAQno=14
Quote from: Antec
What is the typical pin configuration of the Antec USB connector?
The Antec USB connector follows the Intel standard layout. Majority of the motherboards follow the same standard as well. Intel Standard 10pin Layout
Pin 1 = Power Pin 2 = Power
Pin 3 = Data - Pin 4 = Data -
Pin 5 = Data + Pin 6 = Data +
Pin 7 = Ground Pin 8 = Ground
Pin 9 = Key or Blocked pin Pin 10 = Ground
Warning: If your motherboard contains a USB pin labeled OC or NC, make sure that no wire goes to it. You can lift the black tab and pull the wire out or simply clip the wire going to it. The pin for it is usually in pin 10. When a wire is connected to OC or NC, all the USB ports can stop working, the system can automatically shut down, or the secondary IDE is disabled.
In your case, rewiring may have been the solution, but, as you can see, in my case, and I suspect in many, if not most, cases, the solution of removing the 9th wire at the #10 pin is the correct course of action.
I think you should post your solution, but please identify you Case's make and model as this solution may be limited to that case or to certain cases. I think double checking to ensure that the wiring of the case matches the pin configuration is a very good course of action. There may be several solutions to this problem and yours or mine may not be the only ones.

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Product ID = LF153UA#ABA
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S/N: {Removed for privacy}

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Message was edited by: Rod Hagen

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Please ensure you also do this for any and every item under Universal serial bus controllers as well. After this restart your computer and you should be good to go.
//Click on Kudos and Accept as Solution if my reply was helpful and answered your question//
I am an HP employee!!

Why wont my USB ports work?

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