1. Check whether the voltage and grounding of the power cord socket are normal.
2. If there is no problem with the power supply, make sure there are no external devices connected to the multimedia port.
3. Try turning off the power and then turning it on again, or long pressing the large screen power button and then trying to turn it on again.
4. Use buttons or remote control to operate. Press the "Standby" key on the keypad or the "Power" key on the remote control.
5. Check whether it is caused by OPS computer failure. You can try to remove the OPS computer and turn it on again. If the problem persists, please contact the technical specialist to confirm and arrange for the OPS computer to be returned to the factory for repair.
These methods can help you solve the problem of abnormal smart interactive tablet power indicator light. If the problem persists, it is recommended to seek professional technical support in time.