My computer wont connect to my home internet?

About a month ago, i upgraded my internet to be unlimited. After this upgrade, my lenovo laptop was able to connect to it for about a day. Then, it suddenly stopped sencing its existence after a day or so. This continued for about a month and i got my internet back for about a week, now i have no internet again. This is making schoolwork difficult and all other devices connect just fine it is only my laptop.

Read more: My computer wont connect to my home internet?