Reboot the machine, re-plug the device and the issue should no longer persist. Yes, it’s a good idea. Your email address will not be published. I recommend you to perform a recovery on the computer to put it back to factory settings. Use Hardware and Devices troubleshooter. Didn’t find what you were looking for?

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Hi Fathi, You are very welcome! Hi Hamed, Thank you for your comment. Eugene, I am glad the FTP link worked for you! USB 3 ports not working.

HP Compaq 6510b Notebook PC – Unknown Device in Device Manager After Reinstalling Windows 7

Weird because it was working perfectly. Unknown device in XP on a Compaq b laptop Maybe this will help. Excellent Keter, I am very glad it helped!

I really appreciate your time and efforts. Any help is greatly appreciated. I actually have a question on getting an devicf to work for the b model.


J.D. Hodges

Here is the deal: Compaa you have a question, please create a new topic by clicking here. We use a similar model set here and i was gonna mention it’s usually Infineon.

Dell E laptops often have an Unknown. Message 6 of Message 4 of Enjoy your nice DV7, those are cool machines! I’m getting a few unknown devices in Device Manager. Enjoy your nice laptop and your fresh Windows 10 upgrade!

Unknown device driver free download for windows – Hewlett-Packard – HP Compaq b

Maybe this will help. Thank you so much. If you have a question, please create a new topic by clicking here.

I haven’t used it myself. I don’t even know what kind of device it is! HeadbangersFM – The station that keeps your head banging!

Solved: unknown Device – HP Support Community –

Let me know how it goes. Making mistakes while manipulating registry could affect your system adversely. Here is how it is done.

But I downloaded the driver anyway and re-installed and this resolved the issue. Thanks for visiting and being a part of these forums for so long! If you look closely you’ll notice that each of these devices are in fact different.


The device you posted hd id of is Validity Fingerprint Sensor-also on your driver page. Use Hardware and Devices troubleshooter.

You may be interested in: Find More Posts by Rider. When you say you ‘rebooted’ your laptop are you saying that you reinstalled Windows? Hi Charles, Thank you for your comment.