new to Ubuntu - Inspiron 1501 BCM4311 wirless not working topic

Hello, I'm new to Ubuntu. Actually I'm setting up a Ubermix 2.0 on an old laptop for my 10 year-old son to learn and use Linux.

The wired network was damaged, so I only have wireless working, which is BCM4311, and was working fine under Fedora 17 that I decide to replace with the much smaller Ubermix that fits better for a kid.

Here're the few output I got about the system:
user@system-:~$ uname -a
Linux system- 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

user@system-:~$ sudo lshw -C network
*-network
description: Network controller
product: BCM4311 802.11b/g WLAN
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:05:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:18 memory:c0200000-c0203fff

user@system-:~$ sudo iwconfig
lo no wireless extensions.
user@system-:~$ sudo modprobe b43
But the wireless doesn't lit up.

Also, there is an entry in the blacklist.conf file:
# replaced by b43 and ssb.
blacklist bcm43xx

Since I have no wired network, I cannot run the apt-get update to get whatever. I wonder what package I should download and install.

Can anyone having encountered this before here share some insight?

Dell inspiron 1501 topic

Hi! I established ubuntu 14.10 on Dell inspiron 1501, I have wire no connection Internet, only wi fi. But the network interface card doesn't work by default. And the computer doesn't define operation of the network interface card, and without it I can't download addition and the driver to start work with the computer. I from Russia, excuse for bad English). Somebody can help council? Thanks.

[ubuntu] Dell inspiron 1501 topic

Hi! I established ubuntu 14.10 on Dell inspiron 1501, I have wire no connection Internet, only wi fi. But the network interface card doesn't work by default. And the computer doesn't define operation of the network interface card, and without it I can't download addition and the driver to start work with the computer. I from Russia, excuse for bad English). Somebody can help council? Thanks.