Welcome to the Community!
We were able to locate your account using your community details and it appears that the router might have been factory reset. This means that the settings have gone back to default.
The WiFi name and password have gone back to its default settings, which can be seen on the sticker within the router. We've created an article that will guide you on How to Connect to Your Wi-Fi network
You need to configure the router as well. Here's another article that will guide you on How to set up your modem/router.
Let us know how it goes.