Solving the “grey image” problem

It turns out that my previous attempt at getting the Logitech QuickCam Pro 4000 to show video instead of a grey image only failed because it did not include the sudo command enough. So, following these instructions, which are almost identical, did the trick! Time to get a beer…

Screenshot showing Ekiga showing the image from the Quickcam 4000 webcam showing a bottle of Budweiser (the proper Czech stuff).

Here are the instructions in short, but it’s probably better to get it from the original source:

Install build-essential and the kernel-headers for your kernel (for me this was linux-headers-2.6.17-10-generic and it was already installed).

Download latest driver from ( for me)

Unpack and go into extracted directory


sudo modprobe -r pwc

sudo cp pwc.ko /lib/modules/`uname -r`/kernel/drivers/media/video/pwc/pwc.ko.saillard

cd /lib/modules/`uname -r`/kernel/drivers/media/video/pwc

sudo mv pwc.ko pwc.ko.ubuntu

sudo ln -s pwc.ko.saillard pwc.ko

sudo depmod -a

sudo modprobe pwc

…et voilà.


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