Question ASUS PRIME B450M-K

[Darkangal]

hihi, having problem with this board. won't boot up. PSU try change other also the same. motherboard got orange light but won't bootup.
Short the Poweron pin also same. Nothing happen. Any idea?

 

[CountMike]

hihi, having problem with this board. won't boot up. PSU try change other also the same. motherboard got orange light but won't bootup.
Short the Poweron pin also same. Nothing happen. Any idea?

New build ? Other parts ?