Gently bend back the Aluminum shield. You will not be able to take all of it off since it is partially glued on.

If you need to access the LCD, you can pick it up and bend it back.

Follow this guide to safely disconnect the ribbon cable from the ZIF connector: Recognizing & Disconnecting Cable Connectors

With the LCD out, you can now easily pop out the transparent, plastic cover that's connected to the shell. This allows you to replace the glue if it's weak.