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1

Wireless slow on an Intel AGN5100 on an hp Presario C45

rated 0 times [ 1] [ 0] / answers: 1 / hits: 1111 / 2 Years ago, wed, february 9, 2022, 12:52:08

I have installed ubuntu 11.10 on my laptop yesterday, everything worked fine except for the wireless, which is very very slow compared to xp on the same machine.

I didnt have this problem when using older versions of ubuntu i.e. (10.04, 10.10, 11.04). I'm using intel AGN 5100 (I think the linux kernel had integrated support for this network card), on a hp presario cq45. Any suggestions on how to make it faster?

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answered 2 Years ago chilgirlguid · Accepted Answer

First method : You need to disactivate IPv6, to do that, open terminal and enter the following commands:

echo "#disable ipv6" | sudo tee -a /etc/sysctl.conf

echo "net.ipv6.conf.all.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf

echo "net.ipv6.conf.default.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf

echo "net.ipv6.conf.lo.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf

Then restart your system. If you still have the issue, follow also instructions on step 2.

Second method: A second solution for this issue can be by using the following :

Open terminal and enter the following command:
```
sudo -s

gksu gedit /etc/modprobe.d/ath9k.conf
```
That will open a gedit config file. At the end of the file add this:
```
options ath9k nohwcrypt=1
```

Save an restart your OS.

(source: http://www.unixmen.com/linux-tutorials/linux-distributions/linux-distributions4-ubuntu/1785-resolve-slow-connexion-when-using-wifi-in-ubuntu-1104-natty-narwhal)