Check the cabling
There's probably a cabling issue between your Fiber Box and your Internet Box.
Check that the red-tipped Ethernet cable is properly plugged in between your Fiber Box and your Internet Box (see image above).
There's probably a cabling issue between your Fiber Box and your Internet Box.
Check that the red-tipped Ethernet cable is properly plugged in between your Fiber Box and your Internet Box (see image above).