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3 x USB Ports Stopped working


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#1 Corfew

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Posted 29 December 2011 - 07:49 PM

Hi

I am running Windows XP SP3 on a HP Compaq NX6325.

A month ago I got all 3 of my USB ports stopped working. Device Manager shows each USB Host Controller and the corresponding USB Root Hub as working correctly.

I can uninstall the USB Root Hubs, but the 3 Host Controllers will not allow me to interact at all, i.e. I when I try to update the driver, disable it or delete it then the window freezes until I stop the process.

I have updated the BIOS to the latest from the HP website and made sure that USB is enabled.

Searching the web I have tried a few driver check programs, all of which says nothing about upgrading the USB.

One thing to mention.... from the MS website it states that USB usualy uses IRQ 9 whereas my USB Controllers are on IRQ 19.

Any help gratefully received

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#2 hamluis

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Posted 29 December 2011 - 07:57 PM

You cannot update...USB controller drivers, those are installed by Windows. If they are damaged, updating won't necessarily overcome that.

Go to Device Manager...ignore the hubs, uninstall each controller...reboot.

FWIW: General USB Problems in Windows XP - http://support.microsoft.com/kb/310575

You might also try Microsoft Fix it Center Online - http://fixitcenter.support.microsoft.com/Portal .

Louis

#3 Corfew

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Posted 30 December 2011 - 09:25 AM

You cannot update...USB controller drivers, those are installed by Windows. If they are damaged, updating won't necessarily overcome that.

Go to Device Manager...ignore the hubs, uninstall each controller...reboot.

FWIW: General USB Problems in Windows XP - http://support.microsoft.com/kb/310575

You might also try Microsoft Fix it Center Online - http://fixitcenter.support.microsoft.com/Portal .

Louis


Thanks Louis

I have tried those two sites and have actioned everything I can.

The problem I have is that the process hangs and uses all of my CPU when I try to uninstall it. I have even tried this in Safe Mode.

Is there another way to uninstall? Is the IRQ 19 anything to be worried about?

Regards
Eddie

#4 hamluis

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Posted 30 December 2011 - 01:24 PM

IRQ worries were ever-present in the Win 9x era. I haven't thought about them since.

Components and Windows have improved since then.

If you cannot uninstall the controllers...I would go into the BIOS and disable the USB function, reboot. Then go into the BIOS again and reenable.

If you still have problems, I would start thinking the ports are in need of replacement via a USB controller card.

Louis




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