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This place that simply goes to the place where the lamp is sold, just buy a replacement according to the tube in your lamp. The power must be turned off and attention to safety.
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You can see if the launcher is broken, or if the bulb is broken.
Judging from the picture, your lamp is not LED, it is not very clear whether it is an energy-saving lamp or an LED fluorescent tube, and the circuit back board in the picture is a three-stage answer. >>>More
This is a special 60 30 embedded lamp for integrated ceilings, pull down at the cross junction with a sharp slotted screwdriver, and then you can disassemble the integrated ceiling on the side of the lamp, and then disassemble the lamp.
Using a utility knife, insert the gap between the panels and pry it down with a little force. Your fixture is also snapped in and can be removed in the same way. >>>More
How to fix a broken LED light?
The simplest and most effective way is to replace the same good bulb with this broken downlight, if it is good, the bulb is broken, if it is still bad, the ballast is broken.