Solution Steps

1. Reduce screen brightness: Settings → Display → Lower brightness.
2. Close unnecessary apps and background processes.
3. Disable unnecessary startup programs: Task Manager → Startup → Disable.
4. Change power mode: Settings → System → Power → Best battery life.
5. Unplug USB devices when not in use.
6. Disable Wi-Fi/Bluetooth when not needed.
7. Check battery health: Run battery diagnostics (varies by manufacturer).
8. Consider replacing battery if health is poor.