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Thread: Help! Wireless card disabled, unable to enable it

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  1. #1
    Join Date
    Jan 2010
    Beans
    6
    Distro
    Ubuntu 9.10 Karmic Koala

    Help! Wireless card disabled, unable to enable it

    I can't connect to the Internet through my wireless card. Plus, it's disabled and I can't enable it. It's grayed-out in the Network Manager on the top panel.

    I ran this code in a terminal:

    Code:
    *****@ubuntu:~$ sudo lshw -C network
    [sudo] password for ******: 
      *-network DISABLED      
           description: Wireless interface
           product: PRO/Wireless 3945ABG [Golan] Network Connection
           vendor: Intel Corporation
           physical id: 0
           bus info: pci@0000:0c:00.0
           logical name: wmaster0
           version: 02
           serial: 00:1b:77:9c:17:57
           width: 32 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list logical ethernet physical wireless
           configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg
           resources: irq:29 memory:f9fff000-f9ffffff
      *-network
           description: Ethernet interface
           product: BCM4401-B0 100Base-TX
           vendor: Broadcom Corporation
           physical id: 0
           bus info: pci@0000:03:00.0
           logical name: eth0
           version: 02
           serial: 00:1c:23:8d:75:31
           size: 100MB/s
           capacity: 100MB/s
           width: 32 bits
           clock: 33MHz
           capabilities: pm bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=b44 driverversion=2.0 duplex=full ip=192.168.0.80 latency=64 link=yes multicast=yes port=twisted pair speed=100MB/s
           resources: irq:17 memory:f9bfe000-f9bfffff
    How do i enable it? or do i have to reinstall my wireless drivers?

    btw, I'm running Ubuntu 9.10 64 bit

  2. #2
    Join Date
    Dec 2009
    Location
    Panama City, FL, USA
    Beans
    543
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Help! Wireless card disabled, unable to enable it

    Have you tried simply bringing up the interface with ifconfig?
    Code:
    sudo ifconfig wlan0 up
    If that doesn't do the trick you should make sure to delete any sections in /etc/network/interfaces that refer to wlan0 or wmaster0.

  3. #3
    Join Date
    Jan 2010
    Beans
    6
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Help! Wireless card disabled, unable to enable it

    no that didn't work. and all i have in interface is
    Code:
    auto lo
    iface lo inet loopback
    I don't think its the wireless card problem i think its the software it self.
    like this is the message i get when start of up my computer.

    Code:
    Jan 23 15:16:36 ubuntu avahi: Avahi detected that your currently configured local DNS server serves
    Jan 23 15:16:36 ubuntu avahi: a domain .local. This is inherently incompatible with Avahi and thus
    Jan 23 15:16:36 ubuntu avahi: Avahi disabled itself. If you want to use Avahi in this network, please
    Jan 23 15:16:36 ubuntu avahi: contact your administrator and convince him to use a different DNS domain,
    Jan 23 15:16:36 ubuntu avahi: since .local should be used exclusively for Zeroconf technology.
    Jan 23 15:16:36 ubuntu avahi: For more information, see http://avahi.org/wiki/AvahiAndUnicastDotLocal

  4. #4
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    21,458
    Distro
    Ubuntu 15.04 Vivid Vervet

    Re: Help! Wireless card disabled, unable to enable it

    Please let us see:
    Code:
    rfkill list
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
    Join Date
    Jan 2010
    Beans
    6
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Help! Wireless card disabled, unable to enable it

    ok, here it is.
    Code:
    lingam@ubuntu:~$ rfkill list
    0: dell-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no

  6. #6
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    21,458
    Distro
    Ubuntu 15.04 Vivid Vervet

    Re: Help! Wireless card disabled, unable to enable it

    Hard blocked: yes
    That usually means the hardware wireless switch on the front or side of your laptop has become nudged over to 'off.' Nudge it back and you'll be all set.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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