Reason: 1. power supply unstable
2. No signal
Step:
1. Check the other home appliance working or not.
2. Check if the power switch is shut
3. Check the signal is available.
Solution:
1. Make sure the power is available
2. Make sure the power switch is opened
3. Make sure the signal is available
If your TV problem does not resolve after the above operation. Please call your local customer service center for help.