Question about HP Xb3000 Notebook Expansion Base And 400gb Kit 400 GB Hard Drive

4 Answers

Xb 3000 usb connections

My base will not let me use any device is connected to the base. If I connect it to the laptop it works fine. HP no help at all.

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  • leighm May 01, 2008

    xb3000 one week old - disconnected for the first time, and reconnected..usb ports and built-in speakers/controls not working, network and power ok...will try the reboot method stated..

  • Anonymous May 03, 2008

    USB ports on Expansion base as well as video ports all of a sudden stopped working. Power still goes from the XB3000 to the laptop - but now have to plug the usb's into the laptop to get them to work.

  • Shazulus May 28, 2008

    Expansion base is connected but no usb ports are working on it, or speakers etc

  • Anonymous Jun 14, 2008

    USB's quit working. Sound/Volume lights don't light and sound does not work. Video-out works. Network works. On/Off button works. Charges. Looks like a power problem on the right side of the board. It's in warranty but I took it apart anyway and reset the connectons on the internal board. Trying to decide whether to fight with HP's rotten tech support or just buy a new one, swap boards and return as defective.

  • Bert61 Aug 23, 2008

    How did you reset the USB ports when you opened the xb 3000. I have opened mine and now can view the Crcuit board. What next?

    Respond to :

  • Lopatlewis Sep 24, 2008

    No sound or USB. Everything else seems to work. What's up with that?

  • ravilabauman Dec 03, 2008

    I have the same problem. Suddenly, the USB's on the base don't work, the speakers neither, and no lights on the power button and volume control. Tried uninstalling the USB drivers and rebooting, but did not work. Can anyone help?

  • akba Mar 23, 2009

    Re: Terry14624's "xb 3000 usb connections". I have the exact problem

  • alifman Mar 31, 2009

    I have no audio from the Expansion Base speakers. USB ports are dead.



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I have one for sale $100. works great. has power supply but no keynoard and mouse.

Posted on Oct 06, 2011

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Update - still have the same problem as I stated below...but not all the time, generally I plug the usb into the laptop and then unplug, letting the laptop acknowledge connection and disconnection. Generally works okay..but still can't get speakers to work...but to be honest I'm not bothered (work laptop) will live with it. Thanks for placing solutions, I will still monitor. :)

Posted on Jun 15, 2008

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I Had same problem, unplugged kensington 7 port power hub and no usb ports worked, but all else did. It removes my generic usb ports in device manager universal serial bus controllers. But when I plug 7 port hub back in and power to the hub all works?????

Posted on Jun 15, 2008

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I to have experienced the same problems with my xb3000 and as soon as i uninstalled the usb's and did a reboot it worked fine. Got me up and running.

Posted on Mar 03, 2008

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I have hp dv6's annoying because ''windows explorer usb device not recognized'' keep popping up..i already did uninstall the ''unknown device'' in...

let me understand this
this is not post , saying that and unstated USB device is dead
but is Phantom device. you dont want.

That is PNP
why not unplug all USB devices, then put them all back in 1by 1 to see which one is the problem child.
then get the correct driver, from HP or from the maker of the device that is failing.
there is no other way, (be connected to the web if on PnP will be near brain dead.)
are you, connected?

if say a DV6xxxxx (what is the full model number)
say there is no USB plugged in at all, that means hardware failure
deep in the MOBO
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this would be a true phantom, no USB devices there.
and is bad USB chip drivers for your unstated DV6
there are many DV6s and not all DV6s use the same chips
so........ see here.

see a real service tag,, to get help at
they will demand that funny 4 digits at the red arrow and us
us means for USA> as we to have special chips, .
the below is (sanitized,neutered)

DV5 example.
if posting to id say my DV6-1234us was messed up.
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What does usb device not recognized ?


The best you can do is,

Turn off the PC/Laptop
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Disconnect the power cord connecting the pc/laptop and the wall jack or surge protector
Disconnect the power cord connecting the camera to wall jack or surge protector

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Broken/Damaged USB Cable Or Faulty Connecting Device.
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Posted @ 21.09 PM.

Mike @ Compurepair.

Thankyou For Using Fixya.

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