Once when I turned off the desk lamp and went to sleep, it suddently started to flicker drastically and would not stop. So I could only get up and turn off the switch of the plug, the flickering stopped immediately. This has never happened before.

I tried to recreate the same thing in the next morning, but did not manage to.

Does anyone know what might have caused this?

I am not sure what kind of lightbulb does my lamp has (it was from previous tenant), it might be energy-saving lightbulb.

Pictures of my lamp: enter image description here

When it is switched on: enter image description here

Profile when it is switched on: enter image description here

  • 2
    nobody knows what caused it ... we can only guess what might have caused it ... maybe the switch is failing – jsotola May 20 at 8:03
  • Another vote for the switch failing. The switch is supposed to stop electricity flowing through it when it's turned off, but apparently it didn't. You were right to unplug it, since this can cause the switch to overheat. – user253751 May 20 at 12:14
  • 1
    Well, if you don't know anything about the light, then you can't honestly expect us to be able to tell you much about why. I'm sorry but I must VTC for lack of actionable information (which really is a lack of effort on your part). Please edit relevant info in; I will retract if you do. – Harper - Reinstate Monica May 20 at 18:48
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    Can you post a photo of the light bulb? We might be able to work out what type of bulb it is from a photo – SpacePhoenix May 20 at 19:42
  • @SpacePhoenix Thank you for your suggestion. I just added photos of the light bulb. – Aqqqq May 21 at 8:30

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