Hello everyone

The cover of my laptop acer extensa 5420 recently cracked near hinges so cannot close it and is pulling bezel away from screen.  I have bought a new cover but do not know how to replace it.  I have found many videos on how to replace display covr but not actual lid.  As I live in the country miles away from any laptop repair shop would really like to attempt to do it myself.  Basically I just need to know what I am dealing with in regards to antennae wires and webcam etc .   Thankyou and a happy new year to all