Question about HP Pavilion a1520n PC Desktop

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USB Ports not working

I cannot seem to get my usb ports to work. I run a HP AMD athlon 64. I have windows xp service pack 3. I have updated drivers and unplugged computer to no avail. I have three usb ports. I have a microsoft wireless mouse plugged into one port that runs as if it has a short. I constantly have to go into the device manager to get a solid connection if the cable is bumped. When I try to plug in any other device such as a camera or mp3 player into either of the other ports they are completely unresponsive. No sound, no icon in my computer to indication a connection to any device. I am sure there has to be a solution to this, but after searching the web until my eyes burn I can't seem to figure this out. Very frustrating!!!

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  • Mishell Apr 13, 2009

    My mouse has been running rough for some time. I believe this was occuring before driver updates. I checked to see if the IRQs were disabled and they were enabled and listed as working properly. This unfortunately has not worked. Any other advise?

  • Mishell Apr 14, 2009

    After visiting link, I uninstalled the usb hub and restarted the system. Seemed to help. I do now wonder how to remove all the unused item that reinstalled themselves though. Thanks for pointing me in the right direction

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First off was you mouse running like this before the driver update? If so you may need to roll back the driver in device manager. Next go into device manager and choose view>Resources by type>expand the IRQ (Interupt request) and then check all your IRQs that have been set for USB service and see if any of them have been disabled by double-clicking on them and look towards the bottom under device usuage. Let me know if this works. Thanks

Posted on Apr 13, 2009

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