how to fix the webcam in dell studio xps laptop..... for taking pictures and videos

hi,

im using dell studio xps 1340 laptop.. i reinstalled the os with vista that came along with that... after reinstalling i installed the integrated webcam software that came by driver cd.  but i didnt get the camera to taking pictures, i think it needs WEBCAM MANAGER amd WEBCAM CENTER, how to get those for my DELL STUDIO XPS1340..... or is there any other process to get camera to take pictures and videos... please plzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

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