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Hi All,
I have Dell Inspiron 1420 with BIOS version A10. I was using Ubuntu 9.04 64-bit and had no issue with Intel 3945ABG wireless card.
Recently, I have installed Ubuntu 10.04 64-bit (fresh install) and this created the problem with wireless saying "Wireless disabled". I had the similar problem with Ubuntu 9.10 therefore shifted back to 9.04.
After googling, found some similar issues which were telling to remove network-manager and install wicd.
http://
But still, WICD was not able to detect wireless and could able to scan the network only when network-manager was also present. One more weird thing was, wicd able to scan and detect wireless connections only when I connected the system with eth0 cable. After detection, I was unplug the ethernet cable and could start using wlan0 connection.
Also tried by doing:
sudo rmmod -f iwl3945
sudo modprobe iwl3945 disable_hw_scan=1
But it also not worked for me.
After removing "dell-laptop" module and blacklisting the same, network-manager starts detecting the wireless connections. wicd also able to detect but starts asking authentication for startup (don't know why). My system is running with default kernel (v2.6.32) came with ubuntu 10.04.
Could you please let me know, is there any patch available for this issue for ubuntu 10.04. Also, what could be the side-effects of removing dell-laptop module.
Thanks.