What to do if an LED bulb stops working?
Simply replace the bulb

This is often the most practical and economical solution . A good quality LED bulb costs between 2 and 10 euros . The time, tools, and risks associated with handling electrical circuits make repairs neither cost-effective nor safe for an individual.
Attempt a partial repair (for those in the know)
If you have a solid grounding in electronics and the fault appears to be with the power supply driver (and not the LEDs), it may be possible to replace that part. But this is rarely feasible in practice.
Reuse parts that are still in good condition
Are you a DIY enthusiast? Save heat sinks or screw bits, which can be used for other projects or repairs. It’s a clever way to recycle.
Repairing an LED is like trying to glue a broken egg back together.
This can seem frustrating, especially if you’re sensitive to waste. But sometimes, trying to repair something costs more (in time, energy, safety) than simply replacing it. The LED bulb is one of those items that isn’t designed to be easily repaired , but consumes very little energy while it’s working .
So, if your light bulb is flickering or no longer lights up: don’t panic . Replace it, recycle what you can… and get back to comfortable lighting without complications !