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Thread: Ubuntu 11.10 WiFi Issue

  1. #1
    Join Date
    Jan 2012
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    3

    Ubuntu 11.10 WiFi Issue


    Hello,
    I recently received a Lenovo B575 for Christmas
    I decided to Install Ubuntu 11.10 alongside windows 7
    Everything is running perfectly (I think)
    The only problem is my internet connection
    When running on windows 7, my internet works fine.
    When using ubuntu, I cannot even turn on the Wifi option
    When i do, it immediately switches back off
    From reading some of the forums here, I understand that some wireless cards or adapters (Mine being a "Ralink RT3090 wifi adapter")are not always compatible with Linux.
    I cannot even look for any wireless connection.
    This is my first time using a Linux operating system.
    I never played with my command prompt with windows.
    If someone can please help me using baby steps, i would really appreciate it.

    Thanks! =

  2. #2
    Join Date
    Dec 2011
    Beans
    132

    Re: Ubuntu 11.10 WiFi Issue

    EDIT: Try sadaruwan12's solution first (in the post below me). CTRL+ALT+T to open the terminal, CTRL+ALT+C to copy from terminal, CTRL+ALT+V to paste into terminal.






    huh, well that's funny. A lot of threads say that the 3090 has been supported since 10.10 (over a year ago at this point).

    Let's start by seeing if your computer can actually see the wireless card. Open up a terminal with CTRL+ALT+T and paste the following commands. You can copy from the terminal with CTRL+SHIFT+C and paste things into terminal with CTRL+SHIFT+V.

    lspci -nn

    lsmod | grep -e rt2 -e rt3
    The vertical bar (pipe) is SHIFT + \, backslash is right above the enter key.

    Put those two commands into the terminal and post the results here. If the second command doesn't return anything, post the results of "lsmod" and note that the first command didn't return anything.

    Oh, and welcome to the forums and the wonderful world of Linux
    Last edited by chipbuster; January 3rd, 2012 at 06:04 AM.

  3. #3
    Join Date
    Sep 2008
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    One Step Below Heaven
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 11.10 WiFi Issue

    First of all welcome to the forum and to Ubuntu.

    I had the same issue with my laenovo B560 but got it solved. The problem is a wifi driver from acer which disables the wifi switching from the system. So here is my solution.


    There are two way of doing this first do the temporary one.

    Code:
    sudo rmmod -f acer-wmi
    sudo rfkill unblock all
    rfkill list all
    After the above steps your wireless starts to work then make it permanent by doing this,

    Code:
    gksudo gedit /etc/modprobe.d/blacklist.conf
    Add the below line to the end of the file

    Code:
    blacklist acer-wmi
    Proof read this before saving and if everything is ok then save it.

    Now do this

    Code:
    gksudo gedit /etc/rc.local
    Just before the word end put this

    Code:
    rfkill unblock all
    Proof read it twice if ok save it.

    Now reboot your system, once you log in your wireless should work with out any problem 'cos this solved my issue.

    Hope this helps and cheers.
    Last edited by sadaruwan12; January 3rd, 2012 at 05:54 AM.
    Make Google your friend
    Please Mark threads as solved when they have been answered

  4. #4
    Join Date
    Jan 2012
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    3

    Re: Ubuntu 11.10 WiFi Issue

    Quote Originally Posted by sadaruwan12 View Post
    First of all welcome to the forum and to Ubuntu.

    I had the same issue with my laenovo B560 but got it solved. The problem is a wifi driver from acer which disables the wifi switching from the system. So here is my solution.


    There are two way of doing this first do the temporary one.

    Code:
    sudo rmmod -f acer-wmi
    sudo rfkill unblock all
    rfkill list all
    After the above steps your wireless starts to work then make it permanent by doing this,

    Code:
    gksudo gedit /etc/modprobe.d/blacklist.conf
    Add the below line to the end of the file

    Code:
    blacklist acer-wmi
    Proof read this before saving and if everything is ok then save it.

    Now do this

    Code:
    gksudo gedit /etc/rc.local
    Just before the word end put this

    Code:
    rfkill unblock all
    Proof read it twice if ok save it.

    Now reboot your system, once you log in your wireless should work with out any problem 'cos this solved my issue.

    Hope this helps and cheers.

    OMG, Thanks! I am connected =D
    just one more question, on your last step, you say to put
    rfkill unblock all "just before the word end"

    where do I put "rfkill unblock all" on this

    "#!/bin/sh -e
    #
    # rc.local
    #
    # This script is executed at the end of each multiuser runlevel.
    # Make sure that the script will "exit 0" on success or any other
    # value on error.
    #
    # In order to enable or disable this script just change the execution
    # bits.
    #
    # By default this script does nothing.


    exit 0 "

    Thanks! =D

  5. #5
    Join Date
    Sep 2008
    Location
    One Step Below Heaven
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 11.10 WiFi Issue

    Quote Originally Posted by gerard90 View Post
    OMG, Thanks! I am connected =D
    just one more question, on your last step, you say to put
    rfkill unblock all "just before the word end"

    where do I put "rfkill unblock all" on this

    "#!/bin/sh -e
    #
    # rc.local
    #
    # This script is executed at the end of each multiuser runlevel.
    # Make sure that the script will "exit 0" on success or any other
    # value on error.
    #
    # In order to enable or disable this script just change the execution
    # bits.
    #
    # By default this script does nothing.


    exit 0 "

    Thanks! =D
    Sorry for that put it just before the "exit 0" and save it.

    After that reboot thats it.

    After this your "fn+WiFi key" will work as well. Also mark the thread if your issue get solved.
    Last edited by sadaruwan12; January 3rd, 2012 at 07:34 AM.
    Make Google your friend
    Please Mark threads as solved when they have been answered

  6. #6
    Join Date
    Jan 2012
    Beans
    3

    Re: Ubuntu 11.10 WiFi Issue

    Quote Originally Posted by sadaruwan12 View Post
    Sorry for that put it just before the "exit 0" and save it.

    After that reboot thats it.

    After this your "fn+WiFi key" will work as well. Also mark the thread if your issue get solved.
    OMG!
    Thank you so much guys!
    It works Wonderfully now =D

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