using bcma wireless driver instead of wl driver -> Wireless Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01) Subsystem: Lenovo Device [17aa:0611] not working on Lenovo E531 Laptop (LENOVO_MT_6885E5G) in Ubuntu 14.04.1 LTS

https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

https://help.ubuntu.com/community/WirelessTroubleshootingProcedure

Please post full Terminal output here:

https://answers.launchpad.net/ubuntu/+question/252499

Thanks a lot dear Mark-- the output is:

Ign cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417) trusty InRelease
Ign cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417) trusty/main Translation-en_US
Ign cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417) trusty/main Translation-en
Ign cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417) trusty/restricted Translation-en_US
Ign cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417) trusty/restricted Translation-en
Get:1 http://archive.canonical.com trusty InRelease
99% [1 InRelease gpgv 599 B] [Waiting for headers] [Waiting for headers]Splitting up /var/lib/apt/lists/partial/archive.canonical.com_ubuntu_dists_trusty_InReleIgn http://archive.canonical.com trusty InRelease
E: GPG error: http://archive.canonical.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package hwinfo is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'hwinfo' has no installation candidate
  *-network
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:04:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=bcma-pci-bridge latency=0
       resources: irq:17 memory:e3600000-e3607fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:05:00.0
       logical name: eth0
       version: 07
       serial: 28:d2:44:48:2f:a7
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 ip=192.168.0.192 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:44 ioport:2000(size=256) memory:e2d00000-e2d00fff memory:e2400000-e2403fff
0: tpacpi_bluetooth_sw: Bluetooth
 Soft blocked: yes
 Hard blocked: no
eth0 Interface doesn't support scanning.

lo Interface doesn't support scanning.

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
04:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
 Subsystem: Lenovo Device [17aa:0611]
 Kernel driver in use: bcma-pci-bridge
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 07)
 Subsystem: Lenovo Device [17aa:5018]
 Kernel driver in use: r8169
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0bda:5719 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
RUNNING STATE WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running connected enabled enabled enabled disabled
H/W path Device Class Description
======================================================
                            system 6885E5G (LENOVO_MT_6885E5G)
/0 bus 6885E5G
/0/5 processor Intel(R) Core(TM) i7-3632QM CPU @ 2.2
/0/5/7 memory 32KiB L1 cache
/0/5/8 memory 256KiB L2 cache
/0/5/9 memory 6MiB L3 cache
/0/6 memory 32KiB L1 cache
/0/b memory 8GiB System Memory
/0/b/0 memory DIMM [empty]
/0/b/1 memory 8GiB SODIMM DDR3 Synchronous 1600 MHz
/0/0 memory 128KiB BIOS
/0/100 bridge 3rd Gen Core processor DRAM Controlle
/0/100/1 bridge Xeon E3-1200 v2/3rd Gen Core processo
/0/100/1/0 display GK208M [GeForce GT 740M]
/0/100/2 display 3rd Gen Core processor Graphics Contr
/0/100/14 bus 7 Series/C210 Series Chipset Family U
/0/100/16 communication 7 Series/C210 Series Chipset Family M
/0/100/1a bus 7 Series/C210 Series Chipset Family U
/0/100/1b multimedia 7 Series/C210 Series Chipset Family H
/0/100/1c bridge 7 Series/C210 Series Chipset Family P
/0/100/1c/0 generic RTS5229 PCI Express Card Reader
/0/100/1c.1 bridge 7 Series/C210 Series Chipset Family P
/0/100/1c.1/0 network BCM43142 802.11b/g/n
/0/100/1c.3 bridge 7 Series/C210 Series Chipset Family P
/0/100/1c.3/0 eth0 network RTL8111/8168/8411 PCI Express Gigabit
/0/100/1d bus 7 Series/C210 Series Chipset Family U
/0/100/1f bridge HM77 Express Chipset LPC Controller
/0/100/1f.2 storage 7 Series Chipset Family 6-port SATA C
/0/100/1f.3 bus 7 Series/C210 Series Chipset Family S
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 1TB WDC WD10JPVX-08J
/0/1/0.0.0/1 /dev/sda1 volume 463MiB Windows NTFS volume
/0/1/0.0.0/2 /dev/sda2 volume 341GiB Windows NTFS volume
/0/1/0.0.0/3 /dev/sda3 volume 292GiB Windows NTFS volume
/0/1/0.0.0/4 /dev/sda4 volume 296GiB Extended partition
/0/1/0.0.0/4/5 /dev/sda5 volume 193GiB HPFS/NTFS partition
/0/1/0.0.0/4/6 /dev/sda6 volume 95GiB Linux filesystem partition
/0/1/0.0.0/4/7 /dev/sda7 volume 7756MiB Linux swap / Solaris partitio
/0/2 scsi2 storage
/0/2/0.0.0 /dev/cdrom disk DVDRAM GU70N
/1 power 45N1043
Linux nima-ThinkPad 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[ 0.000000] No AGP bridge found
[ 0.000000] found SMP MP-table at [mem 0x000f0100-0x000f010f] mapped at [ffff8800000f0100]
[ 0.000000] No NUMA configuration found
[ 0.000000] No AGP bridge found
[ 0.218869] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 1.913245] ACPI: No dock devices found.
[ 1.957857] Found 1 acpi root devices
[ 1.958198] usbcore: registered new interface driver usbfs
[ 1.958206] usbcore: registered new interface driver hub
[ 1.958223] usbcore: registered new device driver usb
[ 1.963221] Switched to clocksource hpet
[ 1.968387] pnp: PnP ACPI: found 11 devices
[ 2.398088] Console: switching to colour frame buffer device 170x48
[ 2.977195] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input1
[ 2.977495] ACPI: Lid Switch [LID0]
[ 2.996354] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.996356] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.996358] usb usb1: Product: EHCI Host Controller
[ 2.996359] usb usb1: Manufacturer: Linux 3.13.0-32-generic ehci_hcd
[ 2.996361] usb usb1: SerialNumber: 0000:00:1a.0
[ 2.996450] hub 1-0:1.0: USB hub found
[ 3.012375] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.012377] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.012379] usb usb2: Product: EHCI Host Controller
[ 3.012380] usb usb2: Manufacturer: Linux 3.13.0-32-generic ehci_hcd
[ 3.012382] usb usb2: SerialNumber: 0000:00:1d.0
[ 3.012505] hub 2-0:1.0: USB hub found
[ 3.012922] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.012924] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.012926] usb usb3: Product: xHCI Host Controller
[ 3.012927] usb usb3: Manufacturer: Linux 3.13.0-32-generic xhci_hcd
[ 3.012929] usb usb3: SerialNumber: 0000:00:14.0
[ 3.013044] hub 3-0:1.0: USB hub found
[ 3.013387] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003
[ 3.013389] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.013390] usb usb4: Product: xHCI Host Controller
[ 3.013392] usb usb4: Manufacturer: Linux 3.13.0-32-generic xhci_hcd
[ 3.013393] usb usb4: SerialNumber: 0000:00:14.0
[ 3.013513] hub 4-0:1.0: USB hub found
[ 3.037706] Loaded X.509 cert 'Magrathea: Glacier signing key: 5e3c0f9ca6e36543535fa2bb5b709e84f16da7c7'
[ 3.045871] IMA: No TPM chip found, activating TPM-bypass!
[ 3.047759] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 3.308743] usb 1-1: new high-speed USB device number 2 using ehci-pci
[ 3.441222] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
[ 3.441229] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.441606] hub 1-1:1.0: USB hub found
[ 3.553003] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 3.685489] usb 2-1: New USB device found, idVendor=8087, idProduct=0024
[ 3.685505] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.685734] hub 2-1:1.0: USB hub found
[ 3.757352] usb 1-1.2: new low-speed USB device number 3 using ehci-pci
[ 3.768405] r8169 0000:05:00.0 eth0: RTL8168evl/8111evl at 0xffffc90004c96000, 28:d2:44:48:2f:a7, XID 0c900800 IRQ 44
[ 3.768407] r8169 0000:05:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
[ 3.853965] usb 1-1.2: New USB device found, idVendor=046d, idProduct=c05a
[ 3.853972] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3.853984] usb 1-1.2: Product: USB Optical Mouse
[ 3.853985] usb 1-1.2: Manufacturer: Logitech
[ 3.860315] usbcore: registered new interface driver usbhid
[ 3.860316] usbhid: USB HID core driver
[ 3.862351] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input6
[ 3.862457] hid-generic 0003:046D:C05A.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:1a.0-1.2/input0
[ 3.925493] usb 1-1.3: new full-speed USB device number 4 using ehci-pci
[ 4.020888] usb 1-1.3: New USB device found, idVendor=04ca, idProduct=2007
[ 4.020902] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4.020903] usb 1-1.3: Product: BCM43142A0
[ 4.020905] usb 1-1.3: Manufacturer: Broadcom Corp
[ 4.020906] usb 1-1.3: SerialNumber: 40F02F053F3A
[ 4.093654] usb 1-1.6: new high-speed USB device number 5 using ehci-pci
[ 4.113790] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
[ 4.114116] ata3.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
[ 4.115528] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
[ 4.117930] ata3.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
[ 4.237018] usb 1-1.6: New USB device found, idVendor=0bda, idProduct=5719
[ 4.237021] usb 1-1.6: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[ 4.237023] usb 1-1.6: Product: Integrated Camera
[ 4.237024] usb 1-1.6: Manufacturer: J2QDC6331
[ 4.237025] usb 1-1.6: SerialNumber: 200901010001
[ 4.285917] Switched to clocksource tsc
[ 10.990862] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 13.869676] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 14.008799] lp: driver loaded but no devices found
[ 14.029833] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[ 14.073412] bcma: bus0: Found chip with id 0xA886, rev 0x01 and package 0x08
[ 14.073445] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x28, class 0x0)
[ 14.073471] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x21, class 0x0)
[ 14.073525] bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x16, class 0x0)
[ 14.073588] bcma: bus0: Core 3 found: UNKNOWN (manuf 0x43B, id 0x368, rev 0x00, class 0x0)
[ 14.078989] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 14.087767] Console: switching to colour dummy device 80x25
[ 14.089093] bcma: bus0: Bus registered
[ 14.095290] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Integer], ACPI requires [Package] (20131115/nsarguments-95)
[ 14.095332] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 14.095440] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 14.095545] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.PEG0.PEGP handle
[ 14.377062] usbcore: registered new interface driver btusb
[ 14.379702] uvcvideo: Found UVC 1.00 device Integrated Camera (0bda:5719)
[ 14.382645] input: Integrated Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.0/input/input9
[ 14.382719] usbcore: registered new interface driver uvcvideo
[ 14.565414] usb 1-1.3: Direct firmware load failed with error -2
[ 14.565417] usb 1-1.3: Falling back to user helper
[ 14.565965] Bluetooth: can't load firmware, may not work correctly
[ 14.884979] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro
[ 14.928955] Console: switching to colour frame buffer device 170x48
[ 14.949003] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.EC0_.BRNS] (Node ffff880243352b40), AE_AML_PACKAGE_LIMIT (20131115/psparse-536)
[ 14.949009] ACPI Error: Method parse/execution failed [\_SB_.PCI0.VID_.LCD0._BCM] (Node ffff880243354f00), AE_AML_PACKAGE_LIMIT (20131115/psparse-536)
[ 14.949014] ACPI Error: Evaluating _BCM failed (20131115/video-383)
[ 14.949489] [drm] hdmi device not found 1 0 1
[ 14.951967] nouveau [ VBIOS][0000:01:00.0] ... signature not found
[ 14.952025] nouveau [ VBIOS][0000:01:00.0] ... signature not found
[ 14.961430] hda_codec: CX20590: BIOS auto-probing.
[ 15.800629] usb 1-1.3: USB disconnect, device number 4
[ 16.146399] nouveau [ VBIOS][0000:01:00.0] BIT signature found
[ 16.153302] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
[ 16.153387] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
[ 16.153457] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
[ 16.153520] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 16.237914] vga_switcheroo: enabled
[ 17.285352] r8169 0000:05:00.0 eth0: link down
[ 17.285396] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 17.285661] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 26.865283] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 26.865341] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 72.869555] r8169 0000:05:00.0 eth0: link up
[ 72.869564] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 196.072971] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 196.073027] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 202.242820] ACPI: Failed to switch the brightness
[ 202.423377] ACPI: Failed to switch the brightness
[ 202.604057] ACPI: Failed to switch the brightness
[ 202.946453] ACPI: Failed to switch the brightness
[ 203.158929] ACPI: Failed to switch the brightness
[ 203.435352] ACPI: Failed to switch the brightness
[ 203.741015] ACPI: Failed to switch the brightness
[ 203.998212] ACPI: Failed to switch the brightness
[ 204.505846] ACPI: Failed to switch the brightness
[ 205.005153] ACPI: Failed to switch the brightness
 Manufacturer: Intel(R) Corporation
 Serial Number: None
 Manufacturer: Not Specified
 Serial Number: Not Specified
 Manufacturer: Hynix/Hyundai
 Serial Number: 2E83F01B
 Release Date: 10/14/2013
  Serial services are supported (int 14h)
 Manufacturer: LENOVO
 Product Name: 6885E5G
 Serial Number: PF14HH1
 Manufacturer: LENOVO
 Product Name: 6885E5G
 Serial Number: 1ZSGU3CJ04D
 Manufacturer: LENOVO
 Serial Number: PF14HH1
 Manufacturer: SANYO
 SBDS Serial Number: 5DAB
 SBDS Manufacture Date: 2013-12-08
eth0 no wireless extensions.

lo no wireless extensions.

install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
# which ath5k cannot recover. To prevent this condition, stop
blacklist ath_pci
blacklist eth1394
# replaced by p54pci
blacklist prism54
# replaced by b43 and ssb.
blacklist bcm43xx
blacklist acer_wmi
blacklist uart6850
blacklist twl4030_wdt
# /etc/modprobe.d/iwlwifi.conf
# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
# microcode file installed on the system. When removing iwlwifi, first
# remove the iwl?vm module and then iwlwifi.
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
sudo: hwinfo: command not found
root 780 0.1 0.1 358208 8952 ? Ssl 22:34 0:00 NetworkManager
root 2143 0.0 0.0 10232 3688 ? S 22:35 0:00 /sbin/dhclient -d -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /run/sendsigs.omit.d/network-manager.dhclient-eth0.pid -lf /var/lib/NetworkManager/dhclient-5f25ea8d-4cb7-4980-9763-9456c76b8038-eth0.lease -cf /var/lib/NetworkManager/dhclient-eth0.conf eth0
nobody 2153 0.0 0.0 36704 1552 ? S 22:35 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/run/sendsigs.omit.d/network-manager.dnsmasq.pid --listen-address=127.0.1.1 --conf-file=/var/run/NetworkManager/dnsmasq.conf --cache-size=0 --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
nima 2568 0.0 0.0 15124 952 pts/0 S+ 22:37 0:00 egrep --color=auto wpa|icd|etwork
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
search localdomain
total 58400
3145729 drwxr-xr-x 3 root root 4096 ژوئیه 31 16:02 .
      2 drwxr-xr-x 23 root root 4096 ژوئیه 21 19:05 ..
3146022 -rw-r--r-- 1 root root 1158016 مه 3 05:00 abi-3.13.0-24-generic
3145731 -rw-r--r-- 1 root root 1162712 ژوئیه 15 08:59 abi-3.13.0-32-generic
3146021 -rw-r--r-- 1 root root 165510 مه 3 05:00 config-3.13.0-24-generic
3145733 -rw-r--r-- 1 root root 165611 ژوئیه 15 08:59 config-3.13.0-32-generic
3145730 drwxr-xr-x 5 root root 4096 ژوئیه 31 16:03 grub
3146025 -rw-r--r-- 1 root root 19095076 ژوئیه 21 19:07 initrd.img-3.13.0-24-generic
3145739 -rw-r--r-- 1 root root 19154727 ژوئیه 31 16:02 initrd.img-3.13.0-32-generic
3145734 -rw-r--r-- 1 root root 176500 مارس 12 16:01 memtest86+.bin
3145735 -rw-r--r-- 1 root root 178176 مارس 12 16:01 memtest86+.elf
3145736 -rw-r--r-- 1 root root 178680 مارس 12 16:01 memtest86+_multiboot.bin
3146023 -rw------- 1 root root 3372643 مه 3 05:00 System.map-3.13.0-24-generic
3145738 -rw------- 1 root root 3381262 ژوئیه 15 08:59 System.map-3.13.0-32-generic
3145740 -rw------- 1 root root 5776416 مه 3 05:00 vmlinuz-3.13.0-24-generic
3145732 -rw------- 1 root root 5798112 ژوئیه 15 08:59 vmlinuz-3.13.0-32-generic
Support status summary of 'nima-ThinkPad':

You have 4 packages (0.2%) supported until مه 2015 (9m)
You have 48 packages (2.3%) supported until مه 2017 (3y)
You have 1896 packages (91.1%) supported until مه 2019 (5y)
You have 64 packages (3.1%) supported until فوریه 2015 (9m)

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Module Size Used by
snd_hda_codec_hdmi 46254 1
bnep 19624 2
rfcomm 69160 0
snd_hda_codec_conexant 57441 1
uvcvideo 80885 0
videobuf2_vmalloc 13216 1 uvcvideo
btusb 32412 0
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 40664 1 uvcvideo
bluetooth 391196 11 bnep,btusb,rfcomm
videodev 134688 2 uvcvideo,videobuf2_core
intel_rapl 18773 0
x86_pkg_temp_thermal 14205 0
intel_powerclamp 14705 0
coretemp 13435 0
kvm 451511 0
crct10dif_pclmul 14289 0
crc32_pclmul 13113 0
ghash_clmulni_intel 13216 0
aesni_intel 55624 0
aes_x86_64 17131 1 aesni_intel
lrw 13286 1 aesni_intel
gf128mul 14951 1 lrw
glue_helper 13990 1 aesni_intel
ablk_helper 13597 1 aesni_intel
cryptd 20359 3 ghash_clmulni_intel,aesni_intel,ablk_helper
nouveau 1097199 1
joydev 17381 0
snd_hda_intel 52355 3
serio_raw 13462 0
snd_hda_codec 192906 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
i915 783805 3
snd_hwdep 13602 1 snd_hda_codec
snd_pcm 102099 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
lpc_ich 21080 0
mxm_wmi 13021 1 nouveau
rtsx_pci_ms 18151 0
ttm 85115 1 nouveau
memstick 16966 1 rtsx_pci_ms
bcma 52096 0
drm_kms_helper 53081 2 i915,nouveau
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
drm 303102 7 ttm,i915,drm_kms_helper,nouveau
mei_me 18627 0
mei 82276 1 mei_me
i2c_algo_bit 13413 2 i915,nouveau
wmi 19177 2 mxm_wmi,nouveau
thinkpad_acpi 81013 1
nvram 14411 1 thinkpad_acpi
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30144 1 snd_seq_midi
parport_pc 32701 0
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
ppdev 17671 0
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29482 2 snd_pcm,snd_seq
lp 17759 0
snd 69238 18 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
parport 42348 3 lp,ppdev,parport_pc
soundcore 12680 1 snd
mac_hid 13205 0
video 19476 2 i915,nouveau
hid_generic 12548 0
usbhid 52570 0
hid 106148 2 hid_generic,usbhid
rtsx_pci_sdmmc 23274 0
r8169 67581 0
psmouse 106678 0
ahci 25819 2
rtsx_pci 45956 2 rtsx_pci_ms,rtsx_pci_sdmmc
mii 13934 1 r8169
libahci 32560 1 ahci

Thank you dear "actionparsnip (andrew-woodhead666)" for your response,I tried it but at the first step when i issue this command into terminal:
~" sudo apt-get install bcmwl-kernel-source"
IT ASKS ME TO PROVIDE A Disk:

Media change: please insert the disc labeled
 'Ubuntu 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417)'
in the drive '/media/cdrom/' and press enter

THIS IS THE SAME WHEN I USE"Synaptic Package Manager" TO DOWNLOAD AND INSTALL "bcmwl-kernel-source "
It seems that it doesn't work however Thank you for providing your guidance :-)

First follow Manfred's advice.

Then follow the solution procedure here:

https://answers.launchpad.net/ubuntu/+source/gnome-nettool/+question/246530

You should try the wl driver instead of the bcma wireless driver.

Thanks Manfred Hampl, that solved my question.

Thanks a million dear Mark & dear Manfred