1. First take out the point of the notebook, and then screw down all the screws next to and below the battery.
2. Then open the laptop screen to the maximum angle, and finally parallel to the laptop host.
3. The red mark is the switch baffle of the notebook. First pry the switch baffle from one side, and then slowly shake it to the other side and pull it up. The switch strip can be taken down.
4. After the switch baffle is removed, the following is the place where the switch circuit board and the screws on the upper side of the keyboard are fixed. There are two screws on the keyboard. Unscrew it to loosen the keyboard. But remember that there is a cable under the notebook keyboard. You must not break it.
5. At this step, the keyboard of the notebook can be taken down, and the installation of the keyboard can be reversed. （BiJiBenJianPanZenMeCa）