update:
tried with Corsair CX500 psu, still the same problem.
my switching adaptor is missing, i forgot where i put it

my mini miner is brand new from baikal.
i didnt tweak, edit or anything else.
just plug and play from the beginning.
then it just stop mining, both indicator led on ethernet port lit from the moment i power it on.
it cant get ip from router. router is working fine, internet connection fine.
i can browsing etc with my pc.
other miners work fine too.
i will try a suggestion from age1314.
my mini miner is finally mining again.
odd way to start it mining again, attach a hdmi monitor and keyboard to the orange pi, and then login.
if it still wont work, i put ping command, ping google.com, then the blue led start to lit solid!
although this is a ridiculously strange, at least it works.
i have to repeat this procedure everytime it boots due to power outage.
tks,