You typed the letter 'l' (lowercase 'L') instead of the pipe character '|' and that's why the previous attempt didn't work. Please try again.
You typed the letter 'l' (lowercase 'L') instead of the pipe character '|' and that's why the previous attempt didn't work. Please try again.
Your wireless adapter appears to be a Broadcom 43142, and it seems that it is sufficiently new that neither the proprietary Broadcom STA driver ('wl') nor the 'b43' driver will work. You best bet would probably be to try one of the solutions proposed in the AskUbuntu thread here:
How do I install BCM43142 wireless drivers for Dell Vostro 3460/3560?
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