I am Shuchi from the Dell Social Media outreach team.
I will help you with this issue.
You can either install the webcam software from the webcam central DVD or from the my dell downloads.
For further information regarding webcam central you may visit the following link:http://dell.to/18yoJ0P
In case you have any further doubts or queries, Please feel free to contact me directly by sending a reply to this blog.
(You can now follow us on you tube for online video support http://dell.to/187A9Hj)
We would recommend you do not post your private information on a public forum.
Thanks & Regards
Dell Social Media Responder