You flashed a 1080p file onto a 768p screen (or vice versa). Source the alternative resolution binary file and re-flash. Incompatible backlight driver settings in the firmware.
Release the power button immediately once the process begins. Step 4: Finalize the Initialization
Insert the prepared USB flash drive into the or USB 2.0 slot located on the back or side of the unit. Remove all other USB accessories.
You flashed a 1080p file onto a 768p screen (or vice versa). Source the alternative resolution binary file and re-flash. Incompatible backlight driver settings in the firmware.
Release the power button immediately once the process begins. Step 4: Finalize the Initialization
Insert the prepared USB flash drive into the or USB 2.0 slot located on the back or side of the unit. Remove all other USB accessories.