[ubuntu] Ubuntu 12.04 Wireless not working Toshiba Laptop

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http://ubuntuforums.org – I have been using 12.04 on my Toshiba satellite L750 for about 2 months now, and I have a very peculiar issue. My WiFi network will not connect to my Home WiFi, no matter how many different fixes I tried from the threads in this forum. The strange part is that the WiFi connects to other networks - At my university, Workplace etc. - EXCEPT for the 2 networks at my Home. - the main network and the Guest network. For the Guest wifi , it says "connected", but I cannot access any webpage. The main network, however, just shows as "Connecting" and never connects. However, I (Hardware)