So I've been having this issue for quite a while, but recently it has reached the point that I hardly have enough time to type in a web address or message a friend before my laptop loses Internet access. I have to first disconnect and reconnect again and hope that I can go a bit longer without losing connection again. It's quite random: I could go hours without disconnecting or I'll disconnect eight seconds after reconnecting. I'll explain more in detail below.
To begin with: I know for a fact that it has to be an issue with the router since the laptop has no issues at a relative's house. The issue is wirelessly - if I connect the ethernet cable to the laptop, I stay connected. I've gone through all the settings in my router and could not find anything that may cause the issue.
Here is my ipconfig: