2.Loosen the three Phillips PM2.5×8.0 screws that secure the keyboard to the computer.
3.Turn the computer
4.Open the computer as far as possible.
5.Slide the four keyboard retention tabs (1) toward you. The tabs are located between the esc and f1 keys, between the f4 and f5 keys, between the f8 and f9 keys, and between the f12 and scroll keys.
6.Lift the rear edge of the keyboard (2) and swing it toward you until it rests on the palm rest.