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Webcam Not Recognized

Logitech HD Webcam C310 - not being recognized by Windows 7 PC.
Tried:
1. 3 USB ports on back of PC , 1 USB port on front of PC = did not work.
2. Tried Webcam on different PC = worked ok.
3. Tried another Webcam on my PC = did not work on multiple USB ports.
4. Uninstalled device from Device Manager , and checked box : Delete driver software for device.  Rebooted PC. = same problem.
5. Uninstalled Logitech Webcam software , Rebooted PC = same problem.

Ran SFC scan...

Any other ideas?

Thanks
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mvalencia2003
Asked:
mvalencia2003
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3 Solutions
 
mvalencia2003Author Commented:
PC has been rebooted 3 , 4 .. + times
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CompProbSolvCommented:
I'm unclear on the symptoms.  If the webcam were not recognized, there would be no drivers installed for you to uninstall.  Can you walk through the steps you are doing?  That is, when are you connecting the webcam, when are you installing drivers from a CD (if at all), etc.

When you connect the webcam, does the computer respond at all?  That is, does it beep and then tell you it has identified new hardware, etc.?
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mvalencia2003Author Commented:
Yes , once connected Device Manager detects as a C310 HD Webcam.

Also , once connected Hardware Detection installs drivers from Web.  
But in the past (few months back) , drivers were installed from CD .. Webcam worked fine.

Noticed stopped working last week.
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CompProbSolvCommented:
After you connect it, then it shows up in Device Manager with or without the red or yellow marks?

How are you testing it once it is installed?

As a general practice, it would be a good idea to remove the camera, uninstall the software and drivers, download the latest from Logitech, then start the installation over.
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mvalencia2003Author Commented:
No red or yellow marks in Device manager.  Testing from Logitech Webcam Software (before it was uninstalled) , kept giving error : Please connect a webcam.
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rindiCommented:
Which device(s) did you uninstall? The USB drivers? IF not, uninstall the USB drivers, then reinstall the drivers from your mainboard's or PC's download site. Often the USB drivers are part of the chipset drivers.

Do other USB devices work? Have you checked the BIOS, sometimes you can disable/enable certain USB port functions there?
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jcimarronCommented:
mvalencia2003--System Restore from a date before the problem started?

I assume those USB ports work with other devices.
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CallandorCommented:
USB drivers should be part of the OS.  When you tested the webcam on another PC, did it have the same OS?
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mvalencia2003Author Commented:
yes same OS on other PC .. Windows 7
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CallandorCommented:
As rindi had asked, do other USB devices work on this computer? (not webcams)  In the same port?
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mvalencia2003Author Commented:
Yes other USB devices work in same ports.
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CallandorCommented:
Have you tried installing a powered USB hub between the camera and PC?  The motherboard may not be capable of providing the current that the camera needs.
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nobusCommented:
did you follow the proper install likeposted above?
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mvalencia2003Author Commented:
Thanks all
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