Remove all the screws
remove the screw caps
Don't forget the screw near the internal battery
Be careful
cleaning
Remove the screws
Put something soft under the screen to prevent the screen breaking
Don't forget these two screws
Be careful to deal with these two bezels.
Cleaning:)
turn over the laptop
fix the antenna
Be careful, do not block the screw holes

done
 Link h ttp://www.nottingham.ac.uk/~itxsx/website/diy.htm  (minus the space after the first h)