If the OLED screen is flashing (low light) or it doesn't have enough energy to shine as before, it means the power adapter needs to be changed or repaired.
There are also many other reasons for not starting, but that's the one I have experienced in.
it started i just moved little this black audio optical access item.
Poweer vu no OLED dint light at all only Ethernet lights were on anyway thanks mate I have to get this part fixed because is mowing like a bed teeth