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After wasting endless hours of searching the internet, viewing ridiculous "solved" videos, and reading a gazillion posts...

Unable to connect to any version of Ubuntu with my laptop:

1) Dell Studio 1550 laptop:

Dell Wireless 1397 Wireless Mini-Card

2) Broadcom software driver #, dated 3-21-2008

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closed as too localized by Seth, vasa1, Eric Carvalho, Eliah Kagan, Thomas W. Mar 22 '13 at 2:35

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. If this question can be reworded to fit the rules in the help center, please edit the question.

When you flick the hardware switch from off -> on, what is the output of dmesg | tail? Sometimes, because it is a broadcom driver there is a hint there on what to do next. Try that and let us know. –  SaultDon May 31 '12 at 19:07
Does ifconfig display your wireless interface (e.g. wlan0)? If not, you have to discover which chip your wireless card has. Try a lspci -vvv and copy/paste your wireless card's output block. Googling for "Dell Wireless 1397 Wireless Mini-Card" it seems that the chip is BCM4312, can you confirm this? If the chip is correct, the driver name should be "wl", and so you should try a lsmod | grep -w wl to see if the module is already inserted. Answer to these questions and we can go on with the procedure... –  Avio May 31 '12 at 19:12
When the hardware switch is flicked, the Bluetooth Device Icon turns off and on. No other key affects the downward pointing triangle with no bars. dmesg | tail does not compute. In english please? –  user67512 Jun 12 '12 at 16:54
I gather that if your not a Linux expert, your questions are not valid. Thanks, have a nice life. –  user67512 Jun 24 '12 at 15:19
Are you still looking for an answer? If not, we'll probably close this question. I don't think @SaultDon saw your last comments. –  Seth Mar 4 '13 at 22:35

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