Ok 2 questions, one when i go onto my computer then click on removable disk (G)(which is my blackberry) It comes up Please insert a disk into removable drive (G). How do i fix this?

Basically i want to put some videos on my blackberry....

And then when i try to do it on desktop manager i go onto media and then media manager and click install and it comes up with ....


Blackberry desktop manager was unable to download the media manager installer. Please insert the blackberry desktop tools CD and run the blackberry desktop manager installer to include media manager or try again when your computer is connected to the internet.

My computer is connected to the internet and the only CD i got with my BB was Blackberry user tools....

Help...?