How To Check The Laptop Charger Is Working Or Not. Take the battery out and cost it. Wait at least 10 seconds.

The electrical outlet is not switched on sometimes a car switch has to be set on The source of energy is not fast enough or just not working. Use a USB Type-C adaptor 4. Recharge your laptop with a car battery 3.
If not then its definitely the battery.
2 Test the Battery Charging Circuit In this test you will be required to check the output voltage on the pins which connect to the battery. So the LED should work 90 of the time. Now check for visible corrosion. And here is what you should do.
