Internet and optik not working

[wireless]

I am kinda a dummy when it comes to this stuff but my fiber op and internet are not working and I cannot figure it out.. when I turn on the tv it says optik box is initializing. But it never does. Also my modem says wireless is working and my phone connects to it but it's actually not working.. I've tried unplugging and powering things down but nothing seems to be working ?! Please help!

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