Wireless Internet not working in Ubuntu 10.10

[Inderrawal]

Hi There,

I just now installed Ubuntu 10.10 on my Lenovo Thinkpad X41 it did connect to the wireless internet at the time of installation but failed to connect after the installation was complete and i restarted the computer. It keeps on asking me the Key but for some reason doesn't take it. I have Intel PRO/wireless 2915 ABG network card.

[undecim]

just FYI, I'm having this issue with my Intel WiFi Link 5100 card. It was working for one boot after installation, and I'm looking into it.

I installed the RC a few days ago, and have updated since. The disk I installed from can connect, but not my installed system, so I suspect this is a bug brought by an update.

[dl_sledding]

EDIT: I am retracting this, as I am on 10.04, not 10.10.

Ditto here on an old Toshiba 1400. Worked on 9, but after the upgrade it simply loops through "Authentication required by wireless network", and I don't have WPA, just WEP.

[dineshs]

Please see if these links can help
http://ubuntuforums.org/showpost.php...0&postcount=14
http://ubuntuforums.org/showpost.php...6&postcount=11

[conualfy]

It's been a while since the upgrade to 11.4 and it's not so nice to know that something basic as a wifi connection that should just work out of the box it's not actually working.
Reconnecting the wifi connection makes the internet work again, but it's just a matter of minutes or seconds before I have to do this operation again.

I have changed the router encryption to none (I've lowered security by using only the MAC filter) and there is no difference, it's showing that I'm connected to the router, but the internet is not working at all.

I've just tried disabling the IPv6 and the bug is still here.

I tested the connection with this script:
http://sourceforge.net/projects/wirelessscript/files/
The results for both the working wifi and the one not working (but showed by the network manager as connected) here:
http://goo.gl/hyrZg (reconnected, wifi working)
http://goo.gl/sdgwL (wifi not working)

I would allow some good willing specialist to debug this on my computer or any other way he/she suggests. If there is anyone interested in fixing this nasty bug, please send me an email on florin [at] drumliber [dot] ro


PS: I'm using a laptop (Toshiba Satellite C650 with Atheros wifi card and wifi under Windows 7 work perfectly.