Find out the reason and change it.

Deformation of aluminum pinch plate lamp: another disassembly method: press out the other two corners, and the pinch plate comes out completely at this time. Reach out and press the lamp board out and put on the lamp tube, and press it up into the groove of the keel at one time. If it is an embedded integrated lamp with the same specifications as the ceiling, it can be removed with a special suction cup, or straightened with a paper clip and stuffed into the gap between plates to pry it open. This lamp is very thin. If it is installed separately, you can gently pry open the cover seam with a screwdriver and remove the lampshade.