Decreasing Minimum Wireless Signal to Connect?

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http://www.linuxquestions.org – Hi all, I am new (couple months) to linux and Ubuntu. My box: Dell Inspiron 1545. lspci results below. I have enabled the Broadcom STA restricted driver. Problems: 1. I am noticing in Ubuntu (using Network Manager and Wicd) that I am unable to connect to wireless signals that are very weak. In my other OS (dual boot), I am able to connect to these weak signals. 2. And the speed of these networks is much slower, and the disconnect rate is much higher than in my other OS I am THRILLED with Ubuntu otherwise, just looking to fi (HowTos)