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Thread: Acer Aspire V3-571G Unreliable Wireless

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  1. #1
    Join Date
    Mar 2008
    Location
    UK
    Beans
    279
    Distro
    Ubuntu 12.04 Precise Pangolin

    Question Acer Aspire V3-571G Unreliable Wireless

    Hello All,

    I've just installed the x64 Desktop edition of 12.04 on my Acer Aspire V3 571G. The wireless does connect, though it can take a while. The problem is the wireless only stays connected for 45 minutes max. before it drops out, and then it continually 'reconnects' (never actually connecting to the network) until I either switch between a few networks or turn wireless off and on again.

    I'm using the ath9k driver that Ubuntu provides, and (although it shouldn't make a difference) GNOME3.

    Is there a more stable wireless driver available that I could use?

    Regards,
    Ben.
    GCoffee.

  2. #2
    Join Date
    Oct 2012
    Beans
    1

    Re: Acer Aspire V3-571G Unreliable Wireless

    Same here, with Acer v5-471.
    I found (lspci | grep -i net):
    Atheros Communications Inc. AR9462 Wireless Network Adapter (rev01)
    and (cat /var/log/kern.log | tail -100) says that:
    wlan0: deauthenticated from xxxxxxx (Reason: 2)

    and ubuntu request to enter wireless password from time to time.

    Will be appreciated for any help

  3. #3
    Join Date
    Oct 2005
    Location
    ENGLAND
    Beans
    2,543

    Re: Acer Aspire V3-571G Unreliable Wireless

    AR9462 aspire v3-551 same issue, the odd thing is that it runs fine first install and then after a while it drops association.
    logs show that wireless associates and then times out.

    bug reports show we are far from alone.
    The strange bit is it works fine then dies

  4. #4
    Join Date
    Sep 2010
    Beans
    2

    Re: Acer Aspire V3-571G Unreliable Wireless

    Same problem would really like a fix for this it seems to be getting worse not better

  5. #5
    Join Date
    Feb 2011
    Beans
    13

    Re: Acer Aspire V3-571G Unreliable Wireless

    Is this issue still present in 12.10?

  6. #6
    Join Date
    May 2010
    Beans
    4
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Acer Aspire V3-571G Unreliable Wireless

    I've had the same problem for months now, and I just found this fix:

    Code:
    sudo rmmod ath9k
    sudo modprobe ath9k nohwcrypt=1
    It seems to work so far, fingers crossed.

    EDIT:
    To make this permanent:
    1. create a file name ath9k.conf under /etc/modprobe.d (touch /etc/modprobe.d/ath9k.conf - for example )
    2. nano /etc/modprobe.d/ath9k.conf and introduce one line containing the following:

    Code:
    options ath9k nohwcrypt=1
    3.Save the file
    4.Reboot, OR do

    Code:
    rmmod ath9k
    modprobe -b ath9k
    Last edited by froanas; November 25th, 2012 at 12:01 PM.

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