You can take the receipt to guarantee. And led lights don't break down that easily. See if the power adapter is broken. Only the lights can be repaired, and the general place is not necessarily easy to repair. First of all, the chips should be the same, and the color temperature should be the same.
3, led bulbs At this stage, many models can't directly change the bulbs. I'm not sure this will work. I suggest you go directly to the maintenance point.
Extended data:
1, it is important to remember that after buying lamps, don't be busy installing them. You should read the sign of lamps carefully and read the imitation list of installation and application, and then install and use lamps according to the rules of imitation list, otherwise risks may occur.
2. Replace the aged lamp in time according to the light source parameters provided by the sign. If it is found that the two ends of the lamp are red, the lamp is black or shadowed, and the lamp is not bright, you should contact the manufacturer in time. The LED desk lamp can't replace the lamp tube by itself.
3. During cleaning and maintenance, care should be taken not to change the structure of lamps and lanterns, nor to change the parts of lamps and lanterns at will. After cleaning and maintenance, the lamps shall be installed as they are, and the parts of lamps shall not be omitted or misplaced.