Обновление от 14,10 до 15,04 повредило Wi-Fi на Sony Vaio

Я обновил от 14,04 до 15,04 через apt-get update && apt-get upgrade. Wi-Fi не работает.Вы не могли бы мне помочь? У меня есть ноутбук Sony Vaio VPCSE2F1E.

barwnikk@barwnikk-VPCSE2F1E:~$ sudo iwconfig
eth0      no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:"placek"  
      Mode:Managed  Frequency:2.412 GHz  Access Point: 30:75:12:87:DD:FE   
      Bit Rate=54 Mb/s   Tx-Power=15 dBm   
      Retry short limit:7   RTS thr:off   Fragment thr:off
      Encryption key:off
      Power Management:off
      Link Quality=67/70  Signal level=-43 dBm  
      Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
      Tx excessive retries:0  Invalid misc:77   Missed beacon:0

usb0      no wireless extensions.

lo        no wireless extensions.

wlan0 видят названную сеть placek, но как я могу соединиться с ним? В строке меню сверху экрана нет никакой сети Wi-Fi. Существует No available network devices. и VPN.

Перед Кв. - получают обновление, это работало. Я пытался перезагрузить,

Мой dmesg: wget -qO- http://adiantek.ovh/dmesg.txt (цветная версия)

Править: моя сетевая плата: Network controller [0280]: Intel Corporation Centrino Advanced-N 6230 [Rainbow Peak] [8086:0091] (rev 34)

Редактирование 2: Когда я перехожу в "О компьютере", я имею: но...

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 15.04
Release:    15.04
Codename:   vivid

Что я должен сделать, теперь?

Отредактируйте 3 (дополнительная информация):

barwnikk@barwnikk-VPCSE2F1E:~$ cat /etc/apt/sources.list
# deb cdrom:[Ubuntu 14.10 _Utopic Unicorn_ - Release amd64 (20141022.1)]/ utopic main restricted
deb-src http://archive.ubuntu.com/ubuntu vivid main restricted #Added by software-properties

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

## Major bug fix updates produced after the final release of the
## distribution.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.


# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

## Major bug fix updates produced after the final release of the
## distribution.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.


# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

## Major bug fix updates produced after the final release of the
## distribution.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.

deb http://pl.archive.ubuntu.com/ubuntu/ vivid main universe restricted multiverse
deb-src http://pl.archive.ubuntu.com/ubuntu/ vivid main universe restricted multiverse #Added by software-properties
barwnikk@barwnikk-VPCSE2F1E:~$ apt-cache policy base-files
base-files:
  Zainstalowana: 7.2ubuntu9 (in english: installed)
  Kandydująca:   7.2ubuntu9 (canditet?)
  Tabela wersji: (table version)
 *** 7.2ubuntu9 0
    500 http://pl.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
    100 /var/lib/dpkg/status