If the floppy disk won't do anything because its read only. You'll need to move the little tab on the bottom of the floppy disk.
If you need to format, you can right-click the icon in Computer, and select format from the menu.
Paul Smith - MVP for Windows Desktop Experience... I've crawled off NNTP - for now. Posting from Aldershot, UK. On the internet at windowsresource.net and dasmirnov.net. Please post back letting us know what works and what doesn't. :-)