The light is usually on the tip of the charger. On Dell Chargers there is green / blue light indicator which shows its transmitting power. Change the power source where the adapter is connected.
The first thing to check is to see if the laptop is getting any power. NB: A lot of users have also added helpful suggestions on the comments section Power supply and charger Today I will share a couple of things I learned you can do if your Dell laptop won’t turn on before taking it to the repair: Tried a couple of tricks I knew and eventual had a chat with Dell customer service who were very helpful.
I connected the laptop to the charger but still the computer showed no signs of life.
Thinking maybe the battery had been completely drained. I had been too lazy to charge it so I left it like that. I had watched a movie the previous night until the computer had hibernated when the battery was low.