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I installed ubuntu 12.04 next to my Win XP and both wired and wireless card doesn't work. My laptop is Dell Inspiron 6400. I went over a few threads here with limilar issue but it didn't work for me.

Could you pls help me with setting up my wired connection?

zdeny@Z-NB:/media/UUI/driver/linux/b44-1.00g$  lspci | grep Broadcom
03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
0b:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)

zdeny@Z-NB:/media/UUI/driver/linux/b44-1.00g$ ifconfig
lo        Link encap:Místní smyčka  
          inet adr:  Maska:
          inet6-adr: ::1/128 Rozsah:Počítač
          AKTIVOVÁNO SMYČKA BĚŽÍ  MTU:65536  Metrika:1
          RX packets:960 errors:0 dropped:0 overruns:0 frame:0
          TX packets:960 errors:0 dropped:0 overruns:0 carrier:0 v
          kolizí:0 délka odchozí fronty:0 
          Přijato bajtů: 78320 (78.3 KB) Odesláno bajtů: 78320 (78.3 KB)

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What threads did you see that didn't work? I'm having the same problem. –  iamnotmaynard May 22 '14 at 16:02

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