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Thread: Ubuntu 11.10, wireless disconnects and reconnects

  1. #1
    Join Date
    Feb 2012
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    3

    Ubuntu 11.10, wireless disconnects and reconnects

    Hi, I'm practically new in Linux and Ubuntu. I have Ubuntu 11.10, along side with Windows XP, in my laptop, it a Compaq Presario V3000, I can connect to the internet by wireless, and ubuntu recognizes my network card witch is a "Broadcom-BCM4311 802.11b/g WLAN", but when I'm on the internet sometimes it disconnects by it self, and after a few minutes it reconnects, when I first turn on my laptop and use Ubuntu,I get disconnected after 15 minutes, and then reconnects instantly, but then after that, I gets disconnected like every 2 or 3 minutes and then it takes more time to reconnect, like 5 or 10 minutes. I've only tried this solution, but it didn't work, but I don't know if I did it correctly:

    http://ubuntuforums.org/showthread.php?t=1860799

    I did what the is in post #5. but I still have the problem, I read the rest of the forum, but I wasn't sure if I should do it or not. so please if someone could help me please, and if it's not much to ask please tell me step by step what to do, I haven't get used to Ubuntu yet, so please and Thank you

  2. #2
    Join Date
    Sep 2011
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    1,531

    Re: Ubuntu 11.10, wireless disconnects and reconnects

    Some things to consider:
    1. How far are you from the wireless router? Are there walls or objects between your computer & the router? Test this by hanging out right next to the router.

    2. Could it be the internet connection itself that's cutting in & out, not the computer? A simple test is to see if other computers on the same network are having the same problems.

    3. On my laptop I have noticed that when I'm running on the battery my internet connection gets flaky when the battery drains a bit. Are you running on battery or plugged in?

    4. Do you have similar problems when you run XP on the same computer?

  3. #3
    Join Date
    Feb 2012
    Beans
    3

    Re: Ubuntu 11.10, wireless disconnects and reconnects

    Quote Originally Posted by Ms. Daisy View Post
    Some things to consider:
    1. How far are you from the wireless router? Are there walls or objects between your computer & the router? Test this by hanging out right next to the router.

    2. Could it be the internet connection itself that's cutting in & out, not the computer? A simple test is to see if other computers on the same network are having the same problems.

    3. On my laptop I have noticed that when I'm running on the battery my internet connection gets flaky when the battery drains a bit. Are you running on battery or plugged in?

    4. Do you have similar problems when you run XP on the same computer?
    Hi, sorry it took me a while to answer you, I have a lot of things to do at school.

    1) it's not really that far is at least like 10 meters in a room, and there's only like 2 wooden doors, the room where my modem/router is and my bedroom
    2)All my other computers in my house work fine and have no problems, iPods, iPhones, other PCs, even my laptop with Windows XP works
    3) Battery has never affected my internet connection, including with Windows XP
    4)With windows XP there's no problem at all

    Thanks for your answer, but if you know something or somebody who could help me I would really appreciate.

  4. #4
    Join Date
    Sep 2011
    Beans
    1,531

    Re: Ubuntu 11.10, wireless disconnects and reconnects

    See this for a possible fix, looks like someone was successful with a different model of Compaq Presario:

    http://nfolamp.wordpress.com/2011/10...m4311-working/

  5. #5
    Join Date
    May 2010
    Beans
    3

    Re: Ubuntu 11.10, wireless disconnects and reconnects

    I've been battling this issue for a few weeks now. I have come across it in both Ubuntu 11.10 and Mint 12. I finally found a workaround that seems to have fixed the issue in an old bug report here:

    https://bugs.launchpad.net/ubuntu/+s...er/+bug/295414

    remove the gnome network manager
    sudo apt-get remove network manager*

    replace it with wicd
    sudo apt-get install wicd

  6. #6
    Join Date
    Jul 2011
    Beans
    10
    Distro
    Ubuntu

    Re: Ubuntu 11.10, wireless disconnects and reconnects

    If you still get internet off and on, this is most probably caused by the computer storage support (for example: hard disk) having hardware failure in IO (input/output) operations.

    To test if this is the case, just disconnect the current hard disk, and boot from a USB disk (a 8 GB PEN is enough to install Ubuntu 12.04.1) or from a bootable CD, and test if internet keeps disconnecting...

  7. #7
    Join Date
    Oct 2012
    Location
    USA
    Beans
    99
    Distro
    Ubuntu 13.04 Raring Ringtail

    Smile Re: Ubuntu 11.10, wireless disconnects and reconnects

    Whoa, dead thread revival.

    Is your wireless card fully compatible with Ubuntu? I know that some have problems.

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