I installed ubuntu 12.04 on my machine, but I can't get wireless connection to work. My computer is Acer Aspire 5610z. I found that some other people that have same computer, face the same problem.

Here is some information about it:

****** info trace ******

* uname -a *

Linux ucy-Aspire-5610Z 3.8.0-32-generic #47~precise1-Ubuntu SMP Wed Oct 2 16:22:28 UTC 2013 i686 i686 i386 GNU/Linux

* lsb_release *

Distributor ID: Ubuntu Description: Ubuntu 12.04.3 LTS Release: 12.04 Codename: precise

* lspci *

05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01) Subsystem: AMBIT Microsystem Corp. Device [1468:0422]

Kernel driver in use: b43-pci-bridge

06:01.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02) Subsystem: Acer Incorporated [ALI] Device [1025:0090] Kernel driver in use: b44

* lsusb *

Bus 001 Device 004: ID 04e8:6863 Samsung Electronics Co., Ltd Bus 001 Device 002: ID 5986:0100 Acer, Inc Orbicam Bus 002 Device 002: ID 046d:c52f Logitech, Inc. Wireless Mouse M305 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

* PCMCIA Card Info *

PRODID_1="" PRODID_2="" PRODID_3="" PRODID_4="" MANFID=0000,0000 FUNCID=255

* iwconfig *

* rfkill *

0: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no

* lsmod *

ssb_hcd 12781 0 ssb 51554 2 ssb_hcd,b44

* nm-tool *

NetworkManager Tool

State: connected (global)

• Device: usb0 [Wired connection 2] ------------------------------------------- Type: Wired Driver: rndis_host State: connected Default: yes HW Address:

  Capabilities: Carrier Detect: yes

  Wired Properties Carrier: on

  IPv4 Settings: Address: 192.168.42.7 Prefix: 24 (255.255.255.0) Gateway: 192.168.42.129

  DNS: 192.168.42.129

  IPv6 Settings: Address: ::a05d:a1ff:fea4:1738 Prefix: 64 Gateway: fe80::504d:76ff:fe86:db04

  Address: fe80::a05d:a1ff:fea4:1738 Prefix: 64 Gateway: fe80::504d:76ff:fe86:db04

  DNS: fe80::504d:76ff:fe86:db04

• Device: eth2 ----------------------------------------------------------------- Type: Wired Driver: b44 State: unavailable Default: no HW Address:

  Capabilities: Carrier Detect: yes

  Wired Properties Carrier: off

* NetworkManager.state *

[main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true

* NetworkManager.conf *

[main] plugins=ifupdown,keyfile dns=dnsmasq

[ifupdown] managed=false

* interfaces *

auto lo iface lo inet loopback

* iwlist *

* resolv.conf *

nameserver 127.0.0.1

* blacklist *

[/etc/modprobe.d/blacklist-ath_pci.conf] blacklist ath_pci

[/etc/modprobe.d/blacklist-bcm43.conf] blacklist b43 blacklist b43legacy blacklist ssb blacklist bcm43xx blacklist brcm80211 blacklist brcmfmac blacklist brcmsmac blacklist bcma

[/etc/modprobe.d/blacklist.conf] blacklist evbug blacklist usbmouse blacklist usbkbd blacklist eepro100 blacklist de4x5 blacklist eth1394 blacklist snd_intel8x0m blacklist snd_aw2 blacklist i2c_i801 blacklist prism54 blacklist bcm43xx blacklist garmin_gps blacklist asus_acpi blacklist snd_pcsp blacklist pcspkr blacklist amd76x_edac

* modinfo *

filename: /lib/modules/3.8.0-32-generic/kernel/drivers/usb/host/ssb-hcd.ko license: GPL description: Common USB driver for SSB Bus author: Hauke Mehrtens srcversion: E127A51EDC8F44D2C2A8F15 alias: ssb:v4243id0819rev* alias: ssb:v4243id0817rev* alias: ssb:v4243id0808rev* depends: ssb intree: Y vermagic: 3.8.0-32-generic SMP mod_unload modversions 686

filename: /lib/modules/3.8.0-32-generic/kernel/drivers/ssb/ssb.ko license: GPL description: Sonics Silicon Backplane driver srcversion: 14621F6EC014F731244437C alias: pci:v000014E4d00004350sv*sd*bc*sc*i* alias: pci:v000014E4d0000432Csv*sd*bc*sc*i* alias: pci:v000014E4d0000432Bsv*sd*bc*sc*i* alias: pci:v000014E4d00004329sv*sd*bc*sc*i* alias: pci:v000014E4d00004328sv*sd*bc*sc*i* alias: pci:v000014E4d00004325sv*sd*bc*sc*i* alias: pci:v000014E4d00004324sv*sd*bc*sc*i* alias: pci:v000014E4d0000A8D6sv*sd*bc*sc*i* alias: pci:v000014E4d00004322sv*sd*bc*sc*i* alias: pci:v000014E4d00004321sv*sd*bc*sc*i* alias: pci:v000014E4d00004320sv*sd*bc*sc*i* alias: pci:v000014E4d00004319sv*sd*bc*sc*i* alias: pci:v000014A4d00004318sv*sd*bc*sc*i* alias: pci:v000014E4d00004318sv*sd*bc*sc*i* alias: pci:v000014E4d00004315sv*sd*bc*sc*i* alias: pci:v000014E4d00004312sv*sd*bc*sc*i* alias: pci:v000014E4d00004311sv*sd*bc*sc*i* alias: pci:v000014E4d00004307sv*sd*bc*sc*i* alias: pci:v000014E4d00004306sv*sd*bc*sc*i* alias: pci:v000014E4d00004301sv*sd*bc*sc*i* depends:
intree: Y vermagic: 3.8.0-32-generic SMP mod_unload modversions 686

* udev rules *

PCI device 0x14e4:/sys/devices/pci0000:00/0000:00:1e.0/0000:06:01.0/ssb1:0 (b44)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

PCI device 0x14e4:/sys/devices/pci0000:00/0000:00:1e.0/0000:06:01.0/ssb2:0 (b44)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

PCI device 0x14e4:/sys/devices/pci0000:00/0000:00:1e.0/0000:06:01.0/ssb3:0 (b44)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"

* dmesg *

[ 2.385241] ssb: Found chip with id 0x4311, rev 0x01 and package 0x00 [ 2.385256] ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x11, vendor 0x4243) [ 2.385266] ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x0A, vendor 0x4243) [ 2.385276] ssb: Core 2 found: USB 1.1 Host (cc 0x817, rev 0x03, vendor 0x4243) [ 2.385286] ssb: Core 3 found: PCI-E (cc 0x820, rev 0x01, vendor 0x4243) [ 2.448147] ssb: Sonics Silicon Backplane found on PCI device 0000:05:00.0 [ 2.468112] ssb: Found chip with id 0x4401, rev 0x02 and package 0x00 [ 2.468124] ssb: Core 0 found: Fast Ethernet (cc 0x806, rev 0x07, vendor 0x4243) [ 2.468132] ssb: Core 1 found: V90 (cc 0x807, rev 0x03, vendor 0x4243) [ 2.468140] ssb: Core 2 found: PCI (cc 0x804, rev 0x0A, vendor 0x4243) [ 2.508230] ssb: Sonics Silicon Backplane found on PCI device 0000:06:01.0 [ 2.528620] b44 ssb1:0 eth0: Broadcom 44xx/47xx 10/100 PCI ethernet driver

******** done ********

Thank you already for your help.