How is the lampshade of the ceiling lamp installed?
If the ceiling lamp is a lamp on it directly to the shell plate, clockwise torsion shell can be, is a handle on the lamp panel, the shell installed on the handle can be installed on the lamp in the past;
If it is a mosaic of lights, you can see that there are two springs in the shell, the spring spring track groove of the lamp holder, can be installed on the lampshade;
If the lampshade is not completely covered, first put the buttons facing the lamp, then put the lampshade, and then put the button in the original position, you should be able to;
The buttons are screwed. See if there are any handles outside of each button. Just screw the handle;
