Perdi o cd de instalacao de minha web cam como posso conseguir um novo ou baixar na internet. por favor me responda para : [email protected]

My pc says my web cam is installed but i try to use it, it says must go to systems.exec. ?

I was having a problem with cam after i had to unplug it . when i plug back in it told me that no video capture hardware what do i need to do