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Thread: Can't detect wireless card on HP laptop.

  1. #1
    Join Date
    Jul 2010
    Beans
    1

    Can't detect wireless card on HP laptop.

    I'm on an HP Pavillion dv4-1125nr with a Broadcom BCM 4312 network card.

    I only have Ubuntu 10.04 installed on this computer.

    ifconfig reports:
    Code:
    eth0      Link encap:Ethernet  HWaddr 00:1e:ec:b5:b4:85  
              inet addr:192.168.0.5  Bcast:192.168.0.255  Mask:255.255.255.0
              inet6 addr: fe80::21e:ecff:feb5:b485/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1104 errors:0 dropped:0 overruns:0 frame:0
              TX packets:1002 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:1258349 (1.2 MB)  TX bytes:140028 (140.0 KB)
              Interrupt:30 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:16 errors:0 dropped:0 overruns:0 frame:0
              TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:960 (960.0 B)  TX bytes:960 (960.0 B)
    and iwconfig reports:
    Code:
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    It isn't even detecting the wireless card, and the network manager will only let me connect to wired networks (I'm connected to my router via ethernet cable right now).

    I've pressed the LED killswitch but it does nothing (doesn't change from orange to blue nor does it have any noticeable effect on the network manager or the reports of the above 2 commands).

  2. #2
    Join Date
    Nov 2008
    Beans
    83

    Re: Can't detect wireless card on HP laptop.

    Quote Originally Posted by cannibalistmonk View Post
    I'm on an HP Pavillion dv4-1125nr with a Broadcom BCM 4312 network card.

    I only have Ubuntu 10.04 installed on this computer.

    ifconfig reports:
    Code:
    eth0      Link encap:Ethernet  HWaddr 00:1e:ec:b5:b4:85  
              inet addr:192.168.0.5  Bcast:192.168.0.255  Mask:255.255.255.0
              inet6 addr: fe80::21e:ecff:feb5:b485/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1104 errors:0 dropped:0 overruns:0 frame:0
              TX packets:1002 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:1258349 (1.2 MB)  TX bytes:140028 (140.0 KB)
              Interrupt:30 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:16 errors:0 dropped:0 overruns:0 frame:0
              TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:960 (960.0 B)  TX bytes:960 (960.0 B)
    and iwconfig reports:
    Code:
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    It isn't even detecting the wireless card, and the network manager will only let me connect to wired networks (I'm connected to my router via ethernet cable right now).

    I've pressed the LED killswitch but it does nothing (doesn't change from orange to blue nor does it have any noticeable effect on the network manager or the reports of the above 2 commands).

    I'm having a similar problem with an Intel Wireless Link 1000...if I get any useful feedback, I'll let you know

  3. #3
    Join Date
    Aug 2009
    Location
    Australia
    Beans
    42
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Can't detect wireless card on HP laptop.

    I got the same card in my dell. You just need to install the Broadcom driver and reboot.

    Code:
    sudo apt-get install bcmwl-kernel-source

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