Troubleshooting Steps to Fix Fire TV Blank Screen on Booting
If you have an Amazon Fire TV device and Issue Of Blank Screen On Boot . You can follow the given steps to sort this issue. · Check whether your TV is on, set to the HDMI input option where you have connected your Fire TV device. · If you are using an HDMI cable to connect the Fire TV, try reconnecting the device. Try a different HDMI cable. · Temporarily the device is connected to the HMDI port. · Try using TV on a different screen resolution.
If you are using the Firestick Tech Support and avail of their expert, advice on your problem.