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Thread: Newbie - can't connect wifi

  1. #1
    Join Date
    Jul 2012
    Beans
    2

    Newbie - can't connect wifi

    I have an older MacBook which used to have dual boot Mac OSX/MS Windows XP. Wifi worked fine on both partitions. The hd was replaced and converted (no more OSX or XP) the MacBook to Ubuntu 12.04 last week, have been able to easioly connect to secure wifi networks at the office and a friends house as well as several unsecured networks. However, my home network which is secured will not connect. My Android tablet, Network printer, Android phone, 2 HP laptops running MS Windows 7 and Roku box all are able to connect to the home network without any problems. Ubuntu dialog box keeps popping up stating I am disconnected.

    Router and modem have been rebooted, confirmed wifi is working on all other devices, entered password into Ubuntu dialog box - still can't connect. No problems connecting/disconecting to any of the other networks I have previously connected to.

    Any suggestions? I am new to Ubuntu, so I need help in plain english.

    Thanks

  2. #2
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    6,510
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Newbie - can't connect wifi

    Hi,

    check, if a MAC-address filter is active in your router (interface). Maybe your card is blocked (or you are running out of IP-addresses, check the address pool).

  3. #3
    Join Date
    Jul 2012
    Beans
    2

    Re: Newbie - can't connect wifi

    I'm at work now, MacBook has been connected to Wi-Fi for 3 hours, no problems. So I know the MacBook, wi-fi and Ubuntu work. I will check for MAC filter on home network when I get home tonight. Not all of the devices mentioned in my initial post were on at the same time so I don't think we are out of addresses yet.

    Thanks.

  4. #4
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    6,510
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Newbie - can't connect wifi

    Check@home:

    Code:
    lspci -nnk | grep -iA2 net
    rfkill list
    lsmod
    iwconfig
    sudo iwlist scan
    cat /etc/resolv.conf
    route -n

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