Why is my laptop’s battery draining faster than usual?

1. Check to see how many applications are running.
2. Check and manage power usage settings.
3. Check notebook temperature and ventilation.
4. Test and calibrate the notebook battery.
5. Check for connection to networks.
6. Check for running background processes.
7. Check for the latest software updates.
8. Perform a hard reset of your laptop.
9. Disable unwanted network services.
10. Check for broken system components.
11. Update your laptop’s drivers.