Laptop Charger Making Noise – Why?

There might be a dozen reasons.

1. You are buying crappy chargers.
2. You have a poor connection between the socket and charger
3. You put them under blankets and they overheat.
4. You abuse the cables by stepping on them or bending them too tightly.
5. Your charger isn’t a good match to your laptop.
6. Your laptop is sucking more power than it is supposed to.
7. You have crummy power in your home with volt spikers and overvoltages.
8. The charger is producing the same high-pitched noise all chargers make when you use them.

You have to consult a technician. Crackling sounds are tricky because laptop chargers produce a high-frequency noise that sounds like hissing or crackling when you connect them to a power source.

You need a technician to scrutinize the charger to determine whether the crackling sound is safe or dangerous. While you wait for the technician, try a different charger.

If the crackling sounds persist, you should turn your attention to the outlet or laptop. The charger is probably fine.

If the buzzing is too loud and irregular, you need a replacement, especially if the charger has burn marks. You cannot take chances with a potentially defective charger. If you just bought it, return the charger and get a new one.

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