USB Device - No driver found.

I am trying to install a couple USB devices and neither of them are working so I believe it is probably the same problem.  I have a Logitech Harmony 890 and a SmartHome PowerLinc Controller V2 USB.  On my desktop they are both immediately recognized properly but then windows can not find a driver.  I plugged both into my laptop without installing any extra software and they both were recognized the same way but then windows automatically found the drivers and installed them.  Why would the desktop not be able to find the generic drivers?  

I am using Microsoft Windows XP Media Center 2005
I do not have the original disks - I did completely re-do the system by doing a restore and wipe off of the hidden restore partition.  The computer is a Sony Vaio Desktop.  

Thanks for any help.
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AnnieModConnect With a Mentor Commented:
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butwhyowhy1Author Commented:
I do have a wireless (Adesso) Mouse/Keyboard plugged into one of the USB ports and I have never had a problem with it.  It does not have it's own drivers - uses Microsoft generics.
If the drivers and or device software were previously installed on your laptop, then any time you plug the device into the USB, Windows will detect and install because the drivers are already stored on the computer. And since you have a fresh install of you desktop, the drivers are obviously not there from a prior install.
I just played with a Logitech Harmony 670 and my pc nor my laptop would recognize the device until I installed the software from the website.

Best bet is to get the latest software from the Manufacturuer's website, and install.

Also: every now and then, if I unplug a device from one USB and plug into another USB, without rebooting, my computer will search and tell me it cannot find the drivers to install. Usually reboot the machine and the device is recognized without a problem. (This happens a lot with my camera)

Hope it helps. Sorry if it doesn't
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butwhyowhy1Author Commented:
I have tried both of your ideas.  I have installed the Logitech Software, rebooted - removed the software, changed USB plugs - re-installed and so forth.  No luck at all.  The SmartHome product does not come with software - it should simply be plug and play.  My laptop didn't have the software installed before I plugged it it... I simply plugged it in and it recognized it.  Front what I understand it is a HID driver so it is built into windows. I believe my problem is that windows can't find the HID drivers.  In the device manager windows does list them as they are - it does not say 'unknown device' so it does recognize them.  They simply have no drivers to work with.
butwhyowhy1Author Commented:
oy... okay, so after scanning experts-exchange for 3 hours I found my solution.  Simply put - when I install a new device I now have to tell windows to look in the windows/inf directory.  For some reason it was not doing this on its own anymore.  Why, I am not sure.  But hey, I am happy it is working.
did u do ur up dates? the univesal drivers can be downloaded from microsoft or if you go to the chipset makers site (amd, intel etc.) you can download them there
If you solved your problem yourself, then you should go to Community Support (link is at the top right of the page labeled Support) and enter a zero point question asking that your original question be deleted.  If your question contains information that may be useful to others, you can request it be made into a zero point Previously Answered Question.  Your points will be returned to you.  See this link for more info.
I answered my question myself.  What do I do?
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