Dear
I face a trouble with my PC connection when I want to conect my mobile through the data cable with my PC there is a problem. Because I want to use my mobile as a modem but I can't do this.I instal first PC suit after this I want to connect my mobile through data cable but there is no connection is genrated.if any body help out so I am very thankful to him/her.

I don't know your Nokia at all, but in some phones you have to set up the USB port for communication rather than acting as a USB drive. Look for some USB config options.