Question about HP Pavilion dv9000z Notebook

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ALL uSB Ports stopped working

I have a three year old HP desktop running Windows NT. All of my USB 2.0 ports just stopped responding. I have a few in the front and a few in the back. I tried them all and nothing works.

Any ideas?

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  • Gary
    Gary May 11, 2010

    Your selected category identifies an HP Pavillion dv9000z laptop, but your problem describes a desktop with Windows NT. And is this Windows NT 4.0, or Window 2000?

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Windows NT does not have USB support. If in fact you have Windows NT, the USB ports never worked. You will need to install an OS that supports USB

Posted on Jul 21, 2009

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  • Master
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If new BIOS will not help, then
Motherboard needs service.

Posted on Mar 19, 2009

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A USB device, such as a camera, scanner, or printer, loses its connection and stops working unexpectedly. The device may appear to work fine when Windows first starts up but later stops working. Use the steps in this document to resolve this issue. Disable power management on the USB hub To preserve power, Microsoft Window XP tries to disable USB when a device is not used. Under certain circumstances this function does not work and may cause USB devices to fail to respond when called. To resolve this issue, disable power management on the USB hub by doing the following:
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If this doesn't help download everesthome. Run the program click on the chipsets and google the northbridge for updates.

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As you have already stated that the port in question can run a standard optical mouse, the port seems to be working fine.

Sometimes the drivers for a USB device need to be installed for each USB port. Maybe you have installed these drivers for 3 of your 4 USB ports, but not for the one in question, result of which is the problem you face.

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