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I bought new Toshiba satellite C870-10L and just installed Ubuntu 12.04. However, I can't find any wireless connection. I have following hardware for networking:

Integrated Ethernet 10/100 Ethernet  
Wireless Integrated wireless 802.11bgn  

This is what I have tried so far in terminal (commands and output given below):

  1. lspci -vvv

         00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
                Subsystem: Toshiba America Info Systems Device fb41
                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
                Capabilities: <access denied>
    
                00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) (prog-if 00 [Normal decode])
                    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
                Bus: primary=00, secondary=01, subordinate=06, sec-latency=0
                I/O behind bridge: 00004000-00004fff
                Memory behind bridge: c2000000-c2ffffff
                Prefetchable memory behind bridge: 00000000b0000000-00000000bfffffff
                Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
                BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B-
                    PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
                Capabilities: <access denied>
                Kernel driver in use: pcieport
                Kernel modules: shpchp
    
            00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) (prog-if 30 [XHCI])
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
                Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Latency: 0
                Interrupt: pin A routed to IRQ 42
                Region 0: Memory at c3100000 (64-bit, non-prefetchable) [size=64K]
                Capabilities: <access denied>
                Kernel driver in use: xhci_hcd
    
            00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
                Subsystem: Toshiba America Info Systems Device fb41
                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
                Interrupt: pin A routed to IRQ 44
                Region 0: Memory at c3114000 (64-bit, non-prefetchable) [size=16]
                Capabilities: <access denied>
                Kernel driver in use: mei
                Kernel modules: mei
    
            00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
                Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Latency: 0
                Interrupt: pin A routed to IRQ 16
                Region 0: Memory at c3119000 (32-bit, non-prefetchable) [size=1K]
                Capabilities: <access denied>
                Kernel driver in use: ehci_hcd
    
            00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
                Subsystem: Toshiba America Info Systems Device fb41
                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 47
                Region 0: Memory at c3110000 (64-bit, non-prefetchable) [size=16K]
                Capabilities: <access denied>
                Kernel driver in use: snd_hda_intel
                Kernel modules: snd-hda-intel
    
            00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4) (prog-if 00 [Normal decode])
                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
                Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
                I/O behind bridge: 0000f000-00000fff
                Memory behind bridge: fff00000-000fffff
                Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
                Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
                BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                    PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
                Capabilities: <access denied>
                Kernel driver in use: pcieport
                Kernel modules: shpchp
    
            00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 (rev c4) (prog-if 00 [Normal decode])
                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
                Bus: primary=00, secondary=08, subordinate=08, sec-latency=0
                I/O behind bridge: 00003000-00003fff
                Memory behind bridge: c3000000-c30fffff
                Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
                Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
                BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                    PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
                Capabilities: <access denied>
                Kernel driver in use: pcieport
                Kernel modules: shpchp
    
            00:1c.2 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 3 (rev c4) (prog-if 00 [Normal decode])
                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
                Bus: primary=00, secondary=09, subordinate=0e, sec-latency=0
                I/O behind bridge: 00002000-00002fff
                Memory behind bridge: c1000000-c1ffffff
                Prefetchable memory behind bridge: 00000000c0000000-00000000c0ffffff
                Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
                BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                    PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
                Capabilities: <access denied>
                Kernel driver in use: pcieport
                Kernel modules: shpchp
    
            00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
                Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Latency: 0
                Interrupt: pin A routed to IRQ 23
                Region 0: Memory at c3118000 (32-bit, non-prefetchable) [size=1K]
                Capabilities: <access denied>
                Kernel driver in use: ehci_hcd
    
            00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
                Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Latency: 0
                Capabilities: <access denied>
                Kernel modules: iTCO_wdt
    
            00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
                Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Latency: 0
                Interrupt: pin B routed to IRQ 41
                Region 0: I/O ports at 5048 [size=8]
                Region 1: I/O ports at 5054 [size=4]
                Region 2: I/O ports at 5040 [size=8]
                Region 3: I/O ports at 5050 [size=4]
                Region 4: I/O ports at 5020 [size=32]
                Region 5: Memory at c3117000 (32-bit, non-prefetchable) [size=2K]
                Capabilities: <access denied>
                Kernel driver in use: ahci
    
            00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
                Subsystem: Toshiba America Info Systems Device fb41
                Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
                Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
                Interrupt: pin C routed to IRQ 10
                Region 0: Memory at c3115000 (64-bit, non-prefetchable) [size=256]
                Region 4: I/O ports at 5000 [size=32]
                Kernel modules: i2c-i801
    
            01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Whistler LE [AMD Radeon HD 6625M Graphics] (prog-if 00 [VGA controller])
                Subsystem: Toshiba America Info Systems Device fb41
                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 45
                Region 0: Memory at b0000000 (64-bit, prefetchable) [size=256M]
                Region 2: Memory at c2000000 (64-bit, non-prefetchable) [size=128K]
                Region 4: I/O ports at 4000 [size=256]
                Expansion ROM at c2040000 [disabled] [size=128K]
                Capabilities: <access denied>
                Kernel driver in use: radeon
                Kernel modules: radeon
    
            01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Turks HDMI Audio [Radeon HD 6000 Series]
                Subsystem: Toshiba America Info Systems Device fb41
                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 B routed to IRQ 46
                Region 0: Memory at c2020000 (64-bit, non-prefetchable) [size=16K]
                Capabilities: <access denied>
                Kernel driver in use: snd_hda_intel
                Kernel modules: snd-hda-intel
    
            08:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8723
                Subsystem: Realtek Semiconductor Co., Ltd. Device 0723
                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 10
                Region 0: I/O ports at 3000 [size=256]
                Region 2: Memory at c3000000 (64-bit, non-prefetchable) [size=16K]
                Capabilities: <access denied>
    
            09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
                Subsystem: Toshiba America Info Systems Device fb37
                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 43
                Region 0: I/O ports at 2000 [size=256]
                Region 2: Memory at c0004000 (64-bit, prefetchable) [size=4K]
                Region 4: Memory at c0000000 (64-bit, prefetchable) [size=16K]
                Capabilities: <access denied>
                Kernel driver in use: r8169
                Kernel modules: r8169
    
  2. lsmod

    Module                  Size  Used by
        ums_realtek            17920  0 
        uas                    17828  0 
        usb_storage            39646  1 ums_realtek
        snd_hda_codec_hdmi     31775  1 
        sparse_keymap          13658  0 
        bnep                   17830  2 
        rfcomm                 38139  0 
        bluetooth             158438  10 bnep,rfcomm
        parport_pc             32114  0 
        ppdev                  12849  0 
        snd_hda_codec_realtek   174222  1 
        snd_hda_intel          32765  5 
        snd_hda_codec         109562  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
        snd_hwdep              13276  1 snd_hda_codec
        snd_pcm                80845  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
        psmouse                72919  0 
        serio_raw              13027  0 
        snd_seq_midi           13132  0 
        snd_rawmidi            25424  1 snd_seq_midi
        snd_seq_midi_event     14475  1 snd_seq_midi
        snd_seq                51567  2 snd_seq_midi,snd_seq_midi_event
        joydev                 17393  0 
        uvcvideo               67203  0 
        snd_timer              28931  2 snd_pcm,snd_seq
        radeon                737789  4 
        videodev               86588  1 uvcvideo
        snd_seq_device         14172  3 snd_seq_midi,snd_rawmidi,snd_seq
        video                  19068  0 
        ttm                    65344  1 radeon
        drm_kms_helper         45466  1 radeon
        drm                   197692  6 radeon,ttm,drm_kms_helper
        toshiba_bluetooth      12711  0 
        wmi                    18744  0 
        snd                    62064  20 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
        mac_hid                13077  0 
        i2c_algo_bit           13199  1 radeon
        soundcore              14635  1 snd
        snd_page_alloc         14108  2 snd_hda_intel,snd_pcm
        mei                    36570  0 
        lp                     17455  0 
        parport                40930  3 parport_pc,ppdev,lp
        usbhid                 41906  0 
        r8169                  56321  0 
        hid                    77367  1 usbhid
    
  3. ifconfig -a

    eth0      Link encap:Ethernet  HWaddr 4c:72:b9:1a:2f:e7  
              inet addr:192.168.1.5  Bcast:192.168.1.255  Mask:255.255.255.0
              inet6 addr: fe80::4e72:b9ff:fe1a:2fe7/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:584588 errors:0 dropped:0 overruns:0 frame:0
              TX packets:335858 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:801442328 (801.4 MB)  TX bytes:24323663 (24.3 MB)
              Interrupt:43 Base address:0xe000 
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:991 errors:0 dropped:0 overruns:0 frame:0
              TX packets:991 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:119419 (119.4 KB)  TX bytes:119419 (119.4 KB)
    
  4. iwconfig

    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
  5. sudo lshw -class network

    [sudo] password for tryggvi: 
      *-network UNCLAIMED     
           description: Network controller
           product: Realtek Semiconductor Co., Ltd.
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:08:00.0
           version: 00
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list
           configuration: latency=0
           resources: ioport:3000(size=256) memory:c3000000-c3003fff
      *-network
           description: Ethernet interface
           product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:09:00.0
           logical name: eth0
           version: 05
           serial: 4c:72:b9:1a:2f:e7
           size: 100Mbit/s
           capacity: 100Mbit/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 autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=192.168.1.5 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
           resources: irq:43 ioport:2000(size=256) memory:c0004000-c0004fff memory:c0000000-c0003fff
    
  6. rfkill list all

  7. sudo lshw -class network

    [sudo] password for tryggvi: 
      *-network UNCLAIMED     
           description: Network controller
           product: Realtek Semiconductor Co., Ltd.
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:08:00.0
           version: 00
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list
           configuration: latency=0
           resources: ioport:3000(size=256) memory:c3000000-c3003fff
      *-network
           description: Ethernet interface
           product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:09:00.0
           logical name: eth0
           version: 05
           serial: 4c:72:b9:1a:2f:e7
           size: 100Mbit/s
           capacity: 100Mbit/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 autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=192.168.1.5 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
           resources: irq:43 ioport:2000(size=256) memory:c0004000-c0004fff memory:c0000000-c0003fff
    
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