Your provider’s fiber line is down
A red or LOS light means no signal is reaching your home through the fiber cable. This is on your provider’s side: a cut cable, a fault in the street, or work in the area.
Wi-Fi checker
Is it my Wi-Fi or my provider?
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Common causes of bad internet at home
Your provider is busy in the evenings
Slow speeds only at peak time, even next to the router, usually mean the provider’s network in your area is overloaded. A technician can’t fix that inside your home.
Your router needs backup power
During a blackout the fiber usually keeps working, but the router and fiber box switch off, so you lose internet. A small DC UPS keeps them on for hours.
The router has no power
If all the lights are off, the router is not getting power: the socket, the adapter or a blackout.
Your router or its settings need attention
The fiber looks fine but the router isn’t giving you internet properly. It may be old, overheating, badly set up, or your account may need checking.
Your internet is fine; your Wi-Fi isn’t
Good speed next to the router means your provider is delivering. The problem is inside your home: router placement, interference, crowded channels or too many devices.
Your Wi-Fi doesn’t reach every room
Walls, floors and distance weaken Wi-Fi. Moving the router helps a little; mesh units or a cabled access point fix it properly.