Please follow these troubleshooting steps first:
1. Check whether the power supply is good, and make sure the whole system is turned on.
2. Click the buttons of Touch Panel to see whether they light up, if the system can be powered on and the remote control operates normally, but the screen still doesn't light up, we suggest restarting the entire system first.
If the issue continues, please provide:
1. A brief description of the troubleshooting steps you have already tried.
2. Photos or videos showing the issue.