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Thread: how to enable wireless?

  1. #1
    Join Date
    Jul 2010
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    how to enable wireless?

    I have a LG S1 PRO, that to activate the wireless is necessary Fn + F6.

    How do I enable wireless on command? Since you can not activate in ubuntu with these keys.

    Someone can help ...

    thanks

  2. #2
    Join Date
    Aug 2007
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    Paris
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    5,538
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: how to enable wireless?

    You can enable wireless from the command line with:
    Code:
    sudo rfkill unblock all
    But usually the hotkeys work, so if Fn+F6 is not doing anything, it may indicate a deeper problem. If the rfkill command doesn't enable the wireless either, please post the output of these commands to help identify what's wrong:
    Code:
    lshw -C Network
    lspci -nn
    lsusb
    rfkill list all
    dmesg | grep -ie radio -e wlan
    You should also check in your BIOS to see if there are settings related to the wireless being turned on or off; sometimes playing with these is necessary to get the function keys working properly.

  3. #3
    Join Date
    Jul 2010
    Beans
    5

    Re: how to enable wireless?

    This option does not result.
    Code:
    sudo rfkill unblock all
    In the BIOS there is no option on wireless.

    Code:
    pedro@pedro-laptop:~$ lshw -C Network
    WARNING: you should run this program as super-user.
      *-network               
           description: Ethernet interface
           product: ET-131x PCI-E Ethernet Controller
           vendor: Agere Systems
           physical id: 0
           bus info: pci@0000:02:00.0
           logical name: eth0
           version: 02
           serial: 00:e0:91:10:d8:90
           width: 64 bits
           clock: 33MHz
           capabilities: bus_master cap_list rom ethernet physical
           configuration: broadcast=yes driver=et131x ip=192.168.10.7 latency=0 multicast=yes
           resources: irq:16 memory:d4000000-d41fffff memory:d0000000-d001ffff(prefetchable)
      *-network DISABLED
           description: Wireless interface
           product: PRO/Wireless 3945ABG [Golan] Network Connection
           vendor: Intel Corporation
           physical id: 0
           bus info: pci@0000:05:00.0
           logical name: wlan0
           version: 02
           serial: 00:13:02:d2:17:8c
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
           resources: irq:29 memory:d8100000-d8100fff
    Code:
    pedro@pedro-laptop:~$ lspci -nn
    00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
    00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
    00:1b.0 Audio device [0403]: Intel Corporation N10/ICH 7 Family High Definition Audio Controller [8086:27d8] (rev 02)
    00:1c.0 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 1 [8086:27d0] (rev 02)
    00:1c.2 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 3 [8086:27d4] (rev 02)
    00:1c.3 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 4 [8086:27d6] (rev 02)
    00:1d.0 USB Controller [0c03]: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 02)
    00:1d.1 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 [8086:27c9] (rev 02)
    00:1d.2 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 [8086:27ca] (rev 02)
    00:1d.3 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 [8086:27cb] (rev 02)
    00:1d.7 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller [8086:27cc] (rev 02)
    00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e2)
    00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 02)
    00:1f.1 IDE interface [0101]: Intel Corporation 82801G (ICH7 Family) IDE Controller [8086:27df] (rev 02)
    00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller [8086:27c4] (rev 02)
    00:1f.3 SMBus [0c05]: Intel Corporation N10/ICH 7 Family SMBus Controller [8086:27da] (rev 02)
    01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M56P [Radeon Mobility X1600] [1002:71c5]
    02:00.0 Ethernet controller [0200]: Agere Systems ET-131x PCI-E Ethernet Controller [11c1:ed00] (rev 02)
    05:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
    06:00.0 CardBus bridge [0607]: Texas Instruments PCIxx12 Cardbus Controller [104c:8039]
    06:00.1 FireWire (IEEE 1394) [0c00]: Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller [104c:803a]
    06:00.2 Mass storage controller [0180]: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) [104c:803b]
    06:00.3 SD Host controller [0805]: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller [104c:803c]
    Code:
    pedro@pedro-laptop:~$ lsusb
    Bus 005 Device 003: ID 045e:007d Microsoft Corp. Notebook Optical Mouse
    Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor
    Bus 005 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 002: ID 043e:9802 LG Electronics USA, Inc. 
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Code:
    pedro@pedro-laptop:~$ rfkill list all
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    Code:
    pedro@pedro-laptop:~$ dmesg | grep -ie radio -e wlan
    [   18.014395] iwl3945 0000:05:00.0: Radio disabled by HW RF Kill switch
    [   18.028703] iwl3945 0000:05:00.0: Radio disabled by HW RF Kill switch
    thanks for your help

  4. #4
    Join Date
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    Ubuntu 11.04 Natty Narwhal

    Re: how to enable wireless?

    Thanks for the output. It's definitely the hardware switch that's at fault.

    Maybe this is a dumb question, but I assume you've at least tried turning on the wireless with Fn+F6? And you're positive there's absolutely no other switch that needs to be on to make the wireless work? I ask only because everything else in your output indicates that these keys simply need to be pressed.

  5. #5
    Join Date
    Jul 2010
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    1

    Re: how to enable wireless?

    What does Fn-F6 do?

    I am having the exact same problem as psobreira! I feel your pain

  6. #6
    Join Date
    Jul 2010
    Beans
    5

    Re: how to enable wireless?

    Yes, the problem is that the hardware switch. This laptop Fn + F6 is the only way on / off the wireless. In windows by pressing Fn + F6 opens a popup on/off the wireless and bluetooth, but as for Linux software that does not exist, there must be another way, but what ....??

    Yes I've tried pressing Fn + F6 ... but unfortunately did not work. Why not to press the wireless connect or disconnect it on windows is done by software and just have it installed you can enable wireless, pressing Fn + F6 just do not open the popup is to enable wireless on windows clear.

    Thanks for your help ... I enter the world of Ubuntu, but without wireless it is very difficult ... impossible ...

  7. #7
    Join Date
    Aug 2007
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    Ubuntu 11.04 Natty Narwhal

    Re: how to enable wireless?

    Could you please try booting to Windows, enabling the wireless there, and then (with the wireless still enabled) reboot directly into Ubuntu? After that, can you scan for wireless networks in Ubuntu by typing:
    Code:
    sudo iwlist scan
    or using the NetworkManager applet in the upper-right corner?

    It's possible that Ubuntu can't turn the wireless on, but that if you turn it on in Windows, it will remain enabled when you boot into Ubuntu.

  8. #8
    Join Date
    Jul 2010
    Beans
    5

    Re: how to enable wireless?

    The option in the right corner superiror is disabled.

    Now I do not have windows installed on the laptop, only ubuntu ...

  9. #9
    Join Date
    Jul 2010
    Beans
    5

    Re: how to enable wireless?

    the problem is the same for activation of hardware... I can not activate the wirelles with the command sudo rfkill unblock 0

    Code:
    pedro@pedro-laptop:/$ sudo rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    But there must be some command to activate it ...

    Can someone help...

  10. #10
    Join Date
    Aug 2007
    Location
    Paris
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    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: how to enable wireless?

    Sorry to ask again, but you're positive there's no option in BIOS relating to the wireless? There might not necessarily be a choice for forcing it on or off, but there might be other options; if there are, please let us know.

    Another thing that can sometimes help is shutting the laptop down completely (not just suspending or hibernating), unplugging the power cord and the battery and then holding in the power button for about a minute. This will cut off all electricity, which should force your hardware to reset. If Windows left your wireless card in a state where only Windows can wake it back up, this should fix it, with any luck.

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