Driver wi-fi Broadcom BCM4311

apri il terminale e incolla questo comando, seguito da invio e dalla password quando te la chiede

sudo lshw -c network

e incolla il risultato del terminale qui http://paste.ubuntu.com/ e poi posta il link che ti crea

http://paste.ubuntu.com/8332907/

@BrunoV: usa i commenti, non le risposte.

  *-network               
       description: Network controller
       product: BCM4311 802.11b/g WLAN
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:10:00.0
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=b43-pci-bridge latency=0
       resources: irq:17 memory:f4000000-f4003fff
  *-network
       description: Ethernet interface
       product: BCM4401-B0 100Base-TX
       vendor: Broadcom Corporation
       physical id: e
       bus info: pci@0000:02:0e.0
       logical name: eth0
       version: 02
       serial: 00:17:a4:cd:2d:d6
       size: 100Mbit/s
       capacity: 100Mbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=b44 driverversion=2.0 duplex=full ip=192.168.1.64 latency=64 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:16 memory:f4108000-f4109fff

@pasquale-caterino: che significa questa risposta che ho trasformato in commento?