1. Check the charge cable connection between the laptop and power source.
2. Make sure the power source is working correctly.
3. Change the wall outlet in case the previous one is not working.
4. Check the adapter for any type of physical damage.
5. Check the temperature of laptop to prevent it from overheating.
6. Reset the charger and repeat the previous steps.
7. Clean up the laptop from the dust.
8. Update the power management drivers of the laptop.
9. Run a diagnostic check for the laptop battery.
10. Measure the percentage of battery charge with the help of a battery voltage meter.