I have pictures today to show you how to remove your Inspiron 2200 keyboard. First and foremost you will need some type of small thin flat tip screwdriver or preferably a pick with a hooked end. You will want to go from behind your computer and put your hook into the hole you see here:
and pull up. You will need to do it again on the other side. Next you will want to gently use your hooked tool and pull up on the circled area like so:
Once you get that part up you can again, gently, use your fingers and wiggle the top portion above the keyboard up and away. This will give you access to your keyboard.