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This is really strange!
I have Sony Vaio and this is my first time running Linux ...
I had installed ubuntu 12.10 and my wireless was working fine, just before two days ago it stopped working, i don't know why. It say I have the wireless adapter switched off! This is taking me crazy!
And under System Settings > Network > Wireless my hardware address is visible.
So i think it working good, but there is some thing wrong going on!
Don't really know what to do, please help me!

Thanks in advance & sorry for my bad English!

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Is there a key combination to enable/disable your wireless on your keyboard? (e.g. Fn + F3). I have similar issue with my Dell laptop, and every time I boot ubuntu, I have to manually activate wireless. – Milan Todorovic Nov 30 '12 at 14:02
1  
Welcome to Ask Ubuntu! We need more hardware information to help you, can you look at this question and then edit your question adding the information. – Jorge Castro Nov 30 '12 at 14:58

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