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I have installed virtual box for ubuntu 9.10. I installed a windows xp inside it. And I don't know why it does not make the webcam available for the yahoo messenger installed in xp. When I click on the device in the interface of virtual box. I can see the webcam but it is grayed out. And I don't know why. It is also not available when I use wine to execute yahoo messenger. And I know that it is working because I can see its working when I use skype for ubuntu. Any suggestions?Its an acer aspire laptop, the webcam is built in.

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up vote 1 down vote accepted

Do you have already installed the guest additions? If no, I suggest to do it now; if yes, did you tried to search and install a specific driver for the integrated webcam within windows?

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yes it has guest additions installed. But it was installed while I was using windows. I just installed the vm as existing hard disk(.vdi). So maybe I'll try to search for it. – Ieyasu Sawada Apr 29 '10 at 9:16

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