Wifi driver bcm4313 in my laptop lenovo does not work

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# lspci -nn -d 14e4:
03:00.0 Network controller [0280]: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# iwconfig
enp2s0 no wireless extensions.

lo no wireless extensions.

wlp3s0b1 IEEE 802.11bgn ESSID:off/any
          Mode:Managed Access Point: Not-Associated Tx-Power=30 dBm
          Retry short limit:7 RTS thr:off Fragment thr:off
          Encryption key:off
          Power Management:off
root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# apt-cache policy bcmwl-kernel-source
bcmwl-kernel-source:
  Installé : 6.30.223.248+bdcom-0ubuntu8
  Candidat : 6.30.223.248+bdcom-0ubuntu8
 Table de version :
 *** 6.30.223.248+bdcom-0ubuntu8 500
        500 http://archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages
        100 /var/lib/dpkg/status

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# lspci -vvnn | grep -A 9 Network
03:00.0 Network controller [0280]: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
 Subsystem: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter [14e4:0587]
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 64 bytes
 Interrupt: pin A routed to IRQ 17
 Region 0: Memory at d3800000 (64-bit, non-prefetchable) [size=16K]
 Capabilities: [40] Power Management version 3
  Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
  Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME-
 Capabilities: [58] Vendor Specific Information: Len=78 <?>

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# uname -a
Linux laptoplenovo-Lenovo-G780 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# sudo dmidecode -s bios-version
5ECN96WW(V9.01)

root@laptoplenovo-Lenovo-G780:/home/laptoplenovo# sudo dmidecode -s bios-release-date
03/14/2013

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: bcmwl-kernel-source (not installed)
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
Date: Fri Dec 23 20:31:47 2016
InstallationDate: Installed on 2016-10-11 (72 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 LANGUAGE=fr_FR
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)