Limited access for wireless network connection?

When I went on my computer the signal for my internet connection had a little "!" by it and when I went to it it said "limited access" and I have no idea how to fix it. It only does that for my computer, for my sister it works fine. It also only happens at my house because when I take it to... show more When I went on my computer the signal for my internet connection had a little "!" by it and when I went to it it said "limited access" and I have no idea how to fix it. It only does that for my computer, for my sister it works fine. It also only happens at my house because when I take it to school it connects just fine with the schools wireless connection. I'm not good with computers at all so if you can help I'd really appreciate detailed directions.
2 answers 2