Question about EliteGroup nForce3-A Motherboard

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USB ports suddenly not functioning

Hi
I have a computer with ECS nforce3 1.0A motherboard. There are 4 usb ports on the mobo and I have 2 usb ports in front of the computer attached to the motherboard with cable. Some weeks ago I formatted the computer and re-installed win xp sp2. I believe everything worked fine after that (I have moved and not used the computer much during the move so I am not sure) but suddenly the usb ports do not work. The devices get power from them, but windows do not react at all. I have tried a wireless network card for usb, a printer and a usb pen. All the devices work on my laptop.

I have updated the BIOS, tried to uninstall the usb ports in device manager and reinstalled them. I also tried installing Vista to see if that helped, but nothing seems to do the trick. I would really appreciate any help here since this is driving me crazy.

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  • Viper13 Apr 01, 2008

    Thank you, but all that is done, drivers are downloaded from ECS website (and tried the original on the CD), BIOS is checked and as far I can see there are no conflicts. There are however some devices sharing the IRQ with the USB. Not sure what, but it states "no conflicts".



    I am still grateful for suggestions.

  • vanxchazevna Apr 16, 2009

    port usb in my mobo doesn't work, if i plug printer, flashdik or anything else.. is not detected. NO RESPOND. it's s*ck

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I think installing the proper drivers for your motherboard and operating system should work.
Find your drivers here (scroll down to see the available drivers and make sure you install the drivers for your operating system) or on the cd that belongs to your motherboard.

Posted on Apr 01, 2008

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Hi, see if you have installed any new devices/hardware to see if its conflicting, often grafics cards conflict usb devices, also just check that in the setup(when you boot up)that the usb ports have not been disabled or usb keyboard support hasn't been enabled/disabled. good luck!!

Posted on Apr 01, 2008

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Posted on Jan 02, 2017

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