The door will likely have to be taken apart (not removed), then you'll see the hidden screws to the handle.
You can find handy exploded views, wiring diagrams and parts lists and order parts for most other brands from the Pros here: http://tinyurl.com/gv383.
In my professional opinion, no one should work on a microwave unless they are fully informed and aware of the deadly hazards and necessary precautions.
You can find this information and in our safety and disassembly text files at http://www.microwavedisplay.com
William E Miller † MicrowaveDisplay.com, March 2007
