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Wireless internet doesn't work on laptop at school (Ubuntu 5.04)

Hi,
Been using ubuntu 5.04 for a little over a week and so far I am liking it. I'm a big computer noob and i'm trying my best not to say something stupid. I am having trouble trying to get my wireless internet to work in college. I think I have it set up correctly cause it works fine when I connect wirelessly at home. For some reason when I try to configure my connection it shows 6 availible wireless networks (named langaracollege) with the same name. When I am using windows xp it only shows 1 availible wireless networks named langaracollege. It works fine under windows xp. In ubuntu it just won't connect, if I select langaracollege and click ok then it would show the activating eth0 popup for a long time and still doesn't connect. For the name (SSID or something) I put langaracollege and I left the WEP key part empty.

I am using a dell 700m laptop with the Intel® PRO/Wireless 2200 Internal Wireless network card.

Any help at all would be great as I am totally stuck.

Try connecting form the command line

Make sure you can see the network

Code:

iwlist scan

then configure from the command line, assuming you your wireless interface is eth0

Code:

/sbin/ifconfig eth0 down



iwconfig eth0 channel 0 

iwconfig eth0 mode managed 

iwconfig eth0 rate auto

iwconfig eth0 enc off

iwconfig eth0 essid langaracollege

And bring your interface up either using DHCP or a static IP address

Code:

dhcpcd  -d -h $(hostname) eth0

      or

ifconfig eth0 inet <ipAddress> up