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Thread: How can i get wireless detection?

  1. #1
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    Question How can i get wireless detection?

    I was wondering how do i get my system to detect available wireless connections? I'm using Ubuntu on a Dell Latitude D530 (not sure if pc type is any use.)
    Diaspora Handle: masternetra@diasp.org

  2. #2
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    Re: How can i get wireless detection?

    Please open a terminal (Applications>Accessories menu) and run these commands, and then post here the output:
    Code:
    iwconfig
    lspci
    lsusb
    lshw -C Network
    That will tell us what kind of wireless cards you have, and from there we can figure out what you need to do to get them working.

  3. #3
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    Re: How can i get wireless detection?

    Quote Originally Posted by pytheas22 View Post
    Please open a terminal (Applications>Accessories menu) and run these commands, and then post here the output:
    Code:
    iwconfig
    lspci
    lsusb
    lshw -C Network
    That will tell us what kind of wireless cards you have, and from there we can figure out what you need to do to get them working.
    [iwconfig Result]:

    lo no wireless extensions.

    eth0 no wireless extensions.

    wmaster0 no wireless extensions.

    wlan0 IEEE 802.11g ESSID:""
    Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
    Tx-Power=27 dBm
    Retry min limit:7 RTS thr:off Fragment thr=2346 B
    Link Quality:0 Signal level:0 Noise level:0
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0

    [lspci result]:

    [Relevent Info]
    09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755M Gigabit Ethernet PCI Express (rev 02)
    0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 01)

    [lsusb only detected mouse]

    [lshw -C Result]:
    *-network
    description: Network controller
    product: BCM4312 802.11a/b/g
    vendor: Broadcom Corporation
    physical id: 0
    bus info: pci@0000:0c:00.0
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: driver=b43-pci-bridge latency=0 module=ssb
    *-network
    description: Ethernet interface
    product: NetXtreme BCM5755M Gigabit Ethernet PCI Express
    vendor: Broadcom Corporation
    physical id: 0
    bus info: pci@0000:09:00.0
    logical name: eth0
    version: 02
    serial: 00:1d:09:a9:47:0f
    width: 64 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical
    configuration: broadcast=yes driver=tg3 driverversion=3.86 firmware=5755m-v3.32 ip=192.168.1.3 latency=0 module=tg3 multicast=yes
    *-network
    description: Wireless interface
    physical id: 1
    logical name: wlan0
    serial: 00:1e:4c:15:05:3b
    capabilities: ethernet physical wireless
    configuration: broadcast=yes multicast=yes wireless=IEEE 802.11g
    Diaspora Handle: masternetra@diasp.org

  4. #4
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    Re: How can i get wireless detection?

    so i take it no networks show up when you look in the network manager?

  5. #5
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    Re: How can i get wireless detection?

    What's the output of
    Code:
    iwlist scanning
    If you get nothing, are you sure there's a network nearby ? It looks like your Broadcom card is working. It may still be a driver (firmware) problem.
    Please have a look at this link.
    Intel E5700 G41 8Gb Xubuntu 13.10, Ubuntu 13.4, WinXP.
    Revo R3610 Win7 Pro, Ubuntu 13.04

    Absolute Beginners Compiz-fusion wiki Local Weather

  6. #6
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    Re: How can i get wireless detection?

    Thanks for the information. You have a Broadcom bcm4312 chipset. There is a native driver for it (called b43), but from what I gather, it doesn't work well, if at all, for your particular card. That should change in the next release of Ubuntu.

    In the meantime, it's possible to drive your card using ndiswrapper, a utility that loads Windows drivers for wireless cards. Here are directions, adapted from https://help.ubuntu.com/community/Wi...f971ca757b2851 :

    Code:
    sudo -s
    echo 'blacklist b43' >> /etc/modprobe.d/blacklist
    echo 'blacklist ssb' >> /etc/modprobe.d/blacklist
    echo 'blacklist b43legacy' >> /etc/modprobe.d/blacklist
    apt-get install ndiswrapper* cabextract
    wget ftp://ftp.compaq.com/pub/softpaq/sp3...00/sp33008.exe
    cabextract sp33008.exe
    ndiswrapper -i bcmwl5.inf
    Then reboot and your connection should work. If it still doesn't, please post:
    Code:
    cat /etc/modprobe.d/blacklist
    iwconfig
    ndiswrapper -l
    Also, please note that the instructions above assume that you're using a 32-bit system. If you're on 64-bit, please say so because the directions need to be changed a little bit.

  7. #7
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    Re: How can i get wireless detection?

    Quote Originally Posted by Kevbert View Post
    What's the output of
    Code:
    iwlist scanning
    If you get nothing, are you sure there's a network nearby ? It looks like your Broadcom card is working. It may still be a driver (firmware) problem.
    Please have a look at this link.
    I am 100% sure there are networks nearby. I've used them with windows and one is provided by my router and thats not even seen. SO i guess it is a driver thing.
    Diaspora Handle: masternetra@diasp.org

  8. #8
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    Re: How can i get wireless detection?

    Quote Originally Posted by MasterNetra View Post
    [iwconfig Result]:

    lo no wireless extensions.

    eth0 no wireless extensions.

    wmaster0 no wireless extensions.

    wlan0 IEEE 802.11g ESSID:""
    Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
    Tx-Power=27 dBm
    Retry min limit:7 RTS thrff Fragment thr=2346 B
    Link Quality:0 Signal level:0 Noise level:0
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0
    This seems to indicate that your wireless card is just not configured.

    try System/administration/Network

    if you see an option for your wireless then you should be able to set it up from there.

  9. #9
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    Re: How can i get wireless detection?

    I figured it out I was right clicking instead of left-clicking i feel like a idiot x.x
    Diaspora Handle: masternetra@diasp.org

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