What to do if LED display not light up?
views: 2220 time: 2021-08-19
views: 2220 time: 2021-08-19
Question | Reason | Solution |
LED display does not light up | Power is not on | Re-powering |
Poor contact of power outlet | Replace the socket | |
Power adapter failure leads to non-energy | Replace the power adapter | |
The display board and the motherboard lining is loose resulting in poor contact | Reinstallation of the cable | |
Display board failure or line line does not work, you can use a multimeter to detect the line | Replace the display board or lineup |