What should I do if my Cosmos 4K SE/Nebula X1/Nebula X1 Pro getting no signal via HDMI?
1. Use a different HDMI cable.
2. Connect your projector with another device with your HDMI cable.
3. Disconnect from your projector and try connecting your device with your TV via HDMI.
4. Adjust the HDMI output resolution/Hz of the connected device to match your projector.
If the above solutions cannot solve your issue, please contact Nebula Customer Support at support@seenebula.com for further assistance.


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