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I have the same problem in 11.10, and it occured just before I installed 12.04, thought by remove and complete install 12.04 the problem wolud be gone , but no still there also in 12.04

i have a dell latitude with a intel 5100 wireless

it was working perfect before , dont know what happend or what i did .......... also the sudo commands where do you enter those , by alt f2 ?? or in the bios ??

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  • i know it has to do with the airplain mode but how to fix it
    – rob
    Apr 19, 2012 at 2:01
  • Have you tried pressing Fn button and then the button with a little radio antenna on it? Something like Fn-F8, it's different on different laptops.
    – Sergey
    Apr 19, 2012 at 2:04
  • tried FN with each F button no use, but thanks ;-)... also i read things about run sudo rfkill list all and then sudo rfkill unblock all but where you have to type this they dont say, also hear about download dell biosupdate , but no internet , i dont really run commandos, i didnt do that ever, yeah maybe in windows 95 in dos ...i am so nooby to ubuntu
    – rob
    Apr 19, 2012 at 2:56
  • Some laptops have a separate button which turns wifi on or off. What's the laptop model, btw?
    – Sergey
    Apr 19, 2012 at 3:00
  • If you want to experiment with those rfkill commands - open Terminal (Alt-Ctrl-T or just type its name after clicking on the top-left button) and enter the commands there. It will require your user password. rfkill docs say it can't unblock devices blocked via a hardware switch anyway...
    – Sergey
    Apr 19, 2012 at 3:05

1 Answer 1

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Here's your laptop's User Manual:

Wifi hardware switch is #18 on the diagram on page 7 :)

Try turning it on and off.

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  • Sergey you are the best !! i feel a litte stupid haha, never knwe this button was there and it so small and out of sight i never would have find out, let me send you a virtual box of chocolate, bottle of wodka , whatever you like LOL problem solved case closed :-)
    – rob
    Apr 19, 2012 at 3:49

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