Fix the Slow Connection Problem when Using WIFI on Ubuntu 13.04, 12.04 or Linux Mint 13

Hello Linux Users.

In this article i will show you how to fix the slow connection problem when using wifi on Ubuntu 13.04 Raring Ringtail, Ubuntu 12.04 Precise Pangolin or Linux Mint 13 Maya.

Method 1:

$ sudo su
# echo "options ath9k nohwcrypt=1" >> /etc/modprobe.d/ath9k.conf

Reboot and check if the problem is fixed. If this did not help, try doing the things listed in the second method.

Method 2:

This method forces iwlagn to not use n. The settings are not persistent, if you notice that the wifi connection works better, make this permanent.

$ sudo rmmod -f iwlagn
$ sudo modprobe iwlagn 11n_disable=1

If this improved your wifi connection, do this to make things persistent:

$ sudo su
# echo "options iwlagn 11n_disable=1" >> /etc/modprobe.d/iwlagn-disable11n.conf

If this trick did not help also, go to method 3.

Method 3:

Deactivate IPv6 support:

$ sudo su
# echo "#disable ipv6" >> /etc/sysctl.conf
# echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
# echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf
# echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf

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Posted in The Linux and Unix Articles!
9 comments on “Fix the Slow Connection Problem when Using WIFI on Ubuntu 13.04, 12.04 or Linux Mint 13
  1. Axone says:

    Hi,
    None of these worked for me :(
    Just installed a fresh Ubuntu 13.04 with an “Intel Centrino Advanced-N 6230″ wifi card and googled all day long to find a fix for this bug.
    Thanks anyway.

  2. David says:

    method 1. worked like a charm! Thanks dude!

  3. Ray says:

    method 1. worked like a charm for me too! Thanks dude!

    Could you give any explanation about this issue to us?

  4. Della says:

    Method 1 worked to restore my connection. Thanks a lot!

  5. Ben says:

    I didn’t want to change anything on the router since there are other users in the home, so I used #3 and I noticed an immediate speedup after reconnecting to the wireless network.

  6. guido says:

    thx a lot! U solved my problem.

  7. tartineskiller says:

    Thanks a lot! Method 1 worked for me on Ubuntu 13.10 64 bits, thanks !

  8. DeAndre says:

    Method 1 works, thanks!

  9. Subramani says:

    run command: apt-get update

    then install what package you want to install in your desktop

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