Hi there!! My name is David. It’s a pleasure to help you today.
As additional information, according to the videos you have shared, the network that appears with the name “Hidden Network” may actually be a network that was intentionally given that name. It could belong to a nearby router, perhaps from a neighbor, and it should not represent a problem for your connection.
Regarding your Wi-Fi issue, in addition to the steps previously indicated, you could try updating the drivers for your wireless network card, downloading the latest from your laptop manufacturer’s website:
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Let me know if the information shared was helpful. Best regards.