How to remove the touchpad board from the upper case?

'' I have 3 years old Asus X53E(K53E) laptop snow white

i got many scratches on the white surface of laptop body , so i decided to change all its body , i know how to disassemble my these laptop but i am having problem in top case where Elan touchpad board is stuck with the top case. well i never tried to take that touchpad with screwdriver forcely . i need a guide whether its possible to remove the touchpad or not.Or it comes with a new top case that i am gonna buy ?''