Please help, I have just upgrade the router to 6.1 , via winbox, then restat the router and does not pass the loading kernel step.

I have try the reset, also the netinstall, but it does not see the router only the gport are working but the fast port not.

whta i can do to revive the router again thx.

You just need to netinstall the board. Make sure you are using ether1 when you netinstall.