Wireless net connection not detecting

mrwolff mrwolff at bigred.unl.edu
Sun Apr 9 03:41:05 UTC 2006

Sushil wrote:

> Hi Dear, 
>Thanks for atleast some response. 
>I am using Sony Vaio K PCG-K37 laptop.For networking, written on laptop is 
>IEEE 802.11a/b/g Wireless LAN Router Access Point" 
>Don't know what it means except that it is wireless. (is it WiFi?) 
>Don't know either what is secure or unsecure. I am statying in a hotel
>rightnow and get wireless Internet connectivity somehow. 
>Pardon me for my little knowledge (or no knowledge). 
>Let me explain you more about the problem I am facing. 
>I had window XP on my laptop. Last week I installed Ubuntu also on it as
>additional OS. Everything was fine. I did some activation in Admin->
>Networking window (don't remember exactly) and it detected my wireless
>connection so I was using new OS with net connection with only one problem
>that it was slow in comparison to XP. 
>As you know grub gives the option of selecting OS at boot time and starts in
>Linux by default. Some days back it was booting in Linux. When I realised I
>wanted to boot up in XP. So while it was booting up I started pressing
>Alt+Ctl+Del many times it didn't stop. So I had to press power button for
>5-6 secs. 
>Right after that I was not able to reboot the laptop in Linux , it used to
>hang each time after displaying "Hardware Abstraction Layer" and screen
>becomes dark. 
>I googled and went through lot of mails and documents and tried reebooting
>in grub's kernal option appended with "pci=noacpi". To my wonder it started.
>Later I found out if I siwtch off a small "wireless LAN" button then also it
>So by booting ether way and switching on "wireless LAN" (in later case),
>Admin-> Networking window could not find wireless connection and I could not
>activate it again. It shows modem and ethernet connection. I activated
>ethernet option but it does not recognize wireless connection. 
>Please please help me out.. You are my last hope. I get more than 100 mails
>daily from this group, but don't find the response for my problem;) 
>-------Original Message------- 
>From: mrwolff 
>Date: 04/08/06 08:39:09 
>To: Ubuntu Help and User Discussions 
>Subject: Re: Wireless net connection not detecting 
>Sushil wrote: 
>>Hi Folks, 
>>I have problem with my laptop that it does not boot up when wireless LAN 
>>button of laptop is on. Either I have to boot with wireless button off or 
>>I have to boot with pci=noacpi option. Anyway after system is on in Ubuntu 
>>OS, it does not connect to intenet. Please help. 
>What type of laptop and what type of wireless are you using? Secured 
>Or unsecured? If secured, WEP, WPA, etc? 
You mentioned that you happened to get wireless at a hotel, did you do 
anything differently there?  Did your wireless at home work with windows 
ok?  If you turn the wireless switch to ON and run the command
sudo iwconfig  what's the output?

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