1. Check that the laptop is securely connected to its power adapter.
2. Disconnect the power adapter and remove the battery.
3. Ensure that the contacts of the laptop and battery are clean and free of debris.
4. Reinsert the battery into the laptop and reconnect the power adapter.
5. Run a battery diagnostic test by accessing your laptop’s settings.
6. Check the charging indicator light on your laptop or notebook.
7. Monitor the battery as it charges and how long it lasts when unplugged.
8. Have the battery replaced if necessary.