1. Check for any running background applications or services that are causing the battery to drain.
2. Check your laptop’s power settings. Consider reducing the brightness level, decreasing the time before the laptop goes to sleep, or setting your laptop to turn off the display when inactive.
3. Ensure all the device drivers are up-to-date.
4. Test the power adapter with a multimeter.
5. Take your laptop to a certified repair shop and get it checked for any possible hardware issues.