of HP Pavilion laptop webcam problem

I have a hp Pavilion dx6665ca with Vista and all the service packs and updates of the firmware & bios.  In recent months, every time I have open or close the lid, I get a notification on the toolbar by saying: "unrecognized usb device".  It looks like this:

http://imgur.com/0eOrQ.jpg

It was annoying, but nothing seemed to be irrelevant.  I also have a problem where the left side of the screen will sometimes flicker and go almost black, then I thought it might have something to do with it, but it was intermittent.

I recently tried to use the webcam and it was not detected by the software. After you have checked in Device Manager, I realized it wasn't showing up there under imaging devices, as it should:

http://imgur.com/Z9j86.jpg

I have the impression that the "unknown device" under the controllers USB is the camera, but Vista does not know what it is.

I tried the new firmware, software, uninstall and reinstall all usb devices and drivers, nothing seems to work.  I always get the message "unrecognized usb device" if every time I open or close the lid.

If the Device Manager it detects not after all these attempts, am I experiencing a hardware problem?  My warranty expired 2 months ago is there no matter what chance hp will fix this issue, I see so many posts and it seems to be a widespread hardware issue?

Any contribution is appreciated.

Thanks in advance.

Message edited by Picklefeathers on 05/30/2009 10:21
Message edited by Picklefeathers on 05/30/2009 10:24
Message edited by Picklefeathers on 05/30/2009 10:25

Hey guys, I saw some people posted again so I thought I would add a few things...

Since my last post, I replaced my inverter display twice and my Webcam once. I think that following these two parties do not and one of them more than once, that we can logically deduce that there is a problem with the amount of energy supplied to these two devices.  They are powered by the same connector and I bet that these hardware components fail after that.  Even now, on my THIRD Board(original +2) Inverter it is still flickering. Short of replacing the machine, you can replace these components.

You have two choices: pay to have someone else fix it or do it yourself.  If your idea of a screwdriver is a butterknife, pay someone else.  If you are confident, smart and willing to learn, you can do it yourself.  You could ruin your machine if you screw up, but I promise you that's not so difficult.  For model Pavilion dx6000, look on ebay for the following:

Camera Module-part # 446486-001. A simple installation with the right tools. Do not break the legs that hold the bezel (frame) plastic around the screen or the lid does not close.

Display the converter DC-AC-part # 431391-001. This one is a little harder to install, but you have to be patient and VERY CAREFUL NOT to BREAK THE TAPE.

Here is the link for the manual.  The title is different by model number, but the procedure is the same, including the reference numbers:

http://h20000.www2.HP.com/BC/docs/support/SupportManual/c01178385/c01178385.PDF

To replace the camera module, go to page 37.

For Inverter Board replacement, go to page 39.

I hope this helps.

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