[ubuntu] Wifi disconnects ONLY at school

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http://ubuntuforums.org – Hello everybody, After installing Ubuntu on my computer I had problems with wifi it disconnected from networks in an aleatory way. Then Wild Man helped me and now I have no problems with connection at home or at my friends. Now the problem is that at school it disconnects me quite regularly. When it disconnects me it doesn't see any wireless network (which is impossible we have four of them), and then tries to reconnect me and succeed. And after five minutes it's the same scenario. The signal of the wifi is strong enough pretty much everywhere sudo watch -n 10 iwlist wlan0 scan : Code: (Hardware)