Every device around my house, even the ones right next to my main computer get around 70 mbps on average, but my main computer only gets around 10 mbps. I checked some forums, and there was one guy who seemed to have the exact same problem as me, when no matter how my PC is connected (through ethernet or wifi) I still get trash download speeds on my main computer. His solution was to delete a program called AMD Quick Stream, but I don't have AMD Quick Stream on my computer, and I don't even have an AMD GPU or CPU...