This isn't really that in depth....Because that part where you say "Most likely, your DS' wi-fi options are set automatically. The SSID is there, and maybe a WEP code. You can ignore them. Arrow down until you see the following option: "Auto-obtain DNS." Change this to "No." Where it says Primary DNS, click edit."
What are you saying, are you saying just click accept after this because that obviously won't work. You need to tell them how to obtain they're ip address,gateway, and subnet mask by going to cmd in search then typing, ipconfig/all. I did this and tried to work my settings and it still didn't work so could you be more in depth about this part, or could someone explain how to get this working?