Question about HP Pavilion tx2120US Tablet PC

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"USB Device Not Recognized" - any usb device

Any device I insert into any of the four USB ports on my laptop results in a bubble from the task tray popping up informing me that the "usb device cannot be recognized". The only thumbdriveI've tried to use freezes the laptop as well.
This is a recent situation. USB devices used to work. I can't recall an incident that'd cause the USB ports' malfunction.
From the laptops first day with me it had XP pro installed (by me) in place of vista basic. Toshiba doesn't provide XP drivers for this laptop model or XP compatible bios updates. I've yet to try vista and play with power settings and drivers.

The cmos doesn't provide an option to disable/enable USB devices/ports.

Removing all unknown USB device drivers (hidden and shown) didn't fix the problem.

Reformatting the computer didn't fix the problem

Updating to the most recent bios didn't fix the problem.

I have the same problem with my laptop her is what I tried:

  1. Un-installing all USB drivers
  2. Shutdown computer
  3. Unplug from wall and removed the battery
  4. Waited 30 mins (3 & 4 I read elseware)
  5. Powered back up
I ended up doing a factory reset

nothing has worked so far

Also the front USB device has stopped working altogether (after putting a device in it the 'not recognized' ballon does not show up but the device doesn't work)

I also noticed that when going into the device manager and clicking properties on Unkown Device under the USB section it says that no driver is installed

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  • drewmcd621 Dec 15, 2008

    Thank you for your solution,

    The problem is with the internal USB ports, do you think sending the laptop to HP is the solution?



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It May just be a hardware problem... try putting in some new usb ports.

Posted on Dec 15, 2008

  • sakao Jan 01, 2009

    if it is under warrenty then they will fix it... if not i suggest a local repair shop... check for prices!



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