Do not take off the bottom plate! After removing all the visible screws and the two screws that are hidden under the tiny rubber pats next to the battery, flip the laptop right side up and pry the keyboard of starting from the screen side. Disconnect all ribbon cables and remove all exposed screws. Now the whole palm rest can be lifted up. See my reaction below for a better disassembly guide
It is incorrect, this laptop is meant to be taken appart from the top. You have to remove the keyboard and then work your way down. Follow this guide instead:
