1. Inspect for physical damage (e.g., liquid ingress, drops), if abnormalities such as water damage or cracks are found, stop using the device and contact customer service (website/repair center).
2. Press and hold the Power button to force restart the tablet.
3. Charge the tablet for at least 30 minutes before re-trying to power on.
4. If the issue persists, please contact customer service (official website/repair center).
