I recently came upon a Dell 1545 Inspiron laptop and decided to put a fresh install of 10.04 LTS.
At first I couldn't connect to the Internet because I did not install the driver for my wireless card (Broadcom 4312), but then I installed the first of the two drivers under the proprietary drivers list, it was the Broadcom b43 wireless driver.
While that was active, I could detect wireless networks but could not connect to a network. I then tried to switch to the other set of drivers, the STA set.
Now, I cannot even detect networks. Please help.