problème S89 no switch on

[ficat]

problème S89 no switch on with two box S89H 2g/16g i had baying from 3 month ago
please someone can help me
think for all
hellos
I buy 02 beelink M8 s82 2g / 16g, now no works without any reason, since it run the day before and the day after neither red nor blue light box is dead, I test the power is good.
and it is for 02 boxes so I do not think it's hard but surely an app of problem.
thank you for all

[Genem]

I think its dead. Had it myself and send it back for replacement.