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Old 04-23-2006, 06:49 AM   #1
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Unhappy Logitech quickcam Pro 4000 gives gray image

My newly and freshly (and pleasantly humming and nicely working) installation of Fedora 5 x86-64, kernel 2.6.16-1.2096_FC5 recognised my webcam straight away.
Purrrrfect! But it only shows me a gray screen and though I am no mister Universe, Albert Einstein or John Travolta, I am not that bleak a personality!

I have been looking for a week now to find a way to get the thing working and I found about a thousand webpages describing how it should be done but they all seem to be talking about Fedora 3 or more exotic distributions, there is a lot of talk about compiling new kernels and a lot of talk of the pwc driver being removed from kernel 2.6.
I am at a loss now, afraid to use instructions for Fedora 3 since I am a total noob at linux (in that respect I am a bleak personality) and do not feel confident I would be able to do much damage control if things go wrong.

The only useful information I can give u is:

Fedora Core 5 x68-64

this is what dmesg shows me right after plugging the thing:
usb 2-6: new full speed USB device using ohci_hcd and address 7
usb 2-6: configuration #1 chosen from 1 choice
pwc Philips webcam module version 9.0.2-unofficial loaded.
pwc Supports Philips PCA645/646, PCVC675/680/690, PCVC720[40]/730/740/750 & PCVC830/840.
pwc Also supports the Askey VC010, various Logitech Quickcams, Samsung MPC-C10 and MPC-C30,
pwc the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite VCS-UC300 and VCS-UM100.
pwc Logitech QuickCam 4000 Pro USB webcam detected.
pwc Registered as /dev/video0.
pwc Failed to power up the camera! (-32)
usbcore: registered new driver Philips webcam

As we would say in the netherlands:
"I, with my farmers intellect, would say that this line is the cause:
pwc Failed to power up the camera! (-32)"

Anyhow, I keep rambling on but the primary question is: how can I use my Logitech QuickCam 4000 Pro with Fedora Core 5 x86_64 2.6.16-1.2096_FC5 ????

(And which programs would you advise to use it with?)


Old 04-24-2006, 09:12 PM   #2
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Check if usb port is a powered port not all are.For info on driver goto
Old 04-25-2006, 05:50 AM   #3
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how do I check whether it is a powered USB port?
Old 06-25-2006, 02:46 PM   #4
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I think this might be to do with kernel version, upgrading from 2.6.10 to 2.6.16 caused this problem for me. Can you try 2.6.10?
Old 07-10-2006, 02:00 PM   #5
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Philips webcam driver source

Go to, select linux and pwc. I've used these drivers and they work.

That site also has a reference to which seems to have a usable driver as well.
Old 07-10-2006, 05:52 PM   #6
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Are you using pre-compiled binaries? Compiling the source worked for me.


camera, failed, logitech, power, quickcam

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