The “blue light” or “blue dot of death” is due to an incompatible TV, software issue or power supply issue. Fortunately, this can be fixed if you do these:Hold the power button for 7 seconds; wait for two beepsUnplug all the cables Hold the power button once more for 7 seconds to discharge the internal powerReconnect all the cables, including the power cableYou’ll know that the process worked if the power button is white instead of blue.