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Old 07-15-2010, 10:41 AM   #1
ibwood
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Lightbulb wireless LANs not available


Hi everyone,

I just installed Ubuntu 9.10 Karmic Koala recently and I am having trouble getting onto a wireless LAN. Moreover, no wireless networks actually appear under the network manager in the toolbar. Can someone tell me how I can fix this?

FYI I am using a toshiba laptop (not sure of the version), kernel 2.6.31-22-generic. I have been reading around online and haven't found much help. Do I need to install wireless drivers?

Any direction given will be greatly appreciated.

-Ian
 
Old 07-15-2010, 10:46 AM   #2
trickykid
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What type of wireless NIC do you have? Builtin, external? More details get better replies.
 
Old 07-15-2010, 10:59 AM   #3
ibwood
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You'll have to bear with me on this. I'm really new to the linux system and functionality. How can I find out what NIC is installed in the laptop? I'm pretty sure it is built-in.

It may be useful to note that Ubuntu 10.04 Lucid Lynx was operating on the laptop before 9.10 Karmic, and it was actually picking up wireless LANs from the start.

Last edited by ibwood; 07-15-2010 at 11:03 AM.
 
Old 07-15-2010, 11:02 AM   #4
trickykid
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lspci is a good start. Should be under Network controller in most cases. Here's an example of what mine looks like on a laptop with a wireless NIC.

Code:
# lspci
03:00.0 Network controller: Broadcom Corporation BCM4321 802.11a/b/g/n (rev 01)
Of course I left out all the other devices it lists, but that should give us the hardware type.
 
Old 07-15-2010, 11:07 AM   #5
ibwood
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Ah, ok. Here is what comes up on mine

Code:
lspci
14:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8172 (rev 10)
 
Old 07-15-2010, 11:11 AM   #6
trickykid
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Okay, I hate pointing you to another site but the ubuntu forums seem to have a solved thread with users having issues with this wireless card.

http://ubuntuforums.org/showthread.php?t=1367871

Hope this gets your wireless working.
 
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Old 07-15-2010, 11:30 AM   #7
ibwood
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Thanks a lot trickykid. It works now
 
Old 07-15-2010, 11:53 AM   #8
trickykid
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Quote:
Originally Posted by ibwood View Post
Thanks a lot trickykid. It works now
Good to know.
 
  


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