Can't get wifi connection after installing lion osx

I upgraded my OSX to Lion, and ever since i am unable to pull a connection to my wifi, neither at home nor at work. I have tried almost everything... I even reinstalled all of my software and NADA..... And needless to say it took me the whole saturday to do it, since it is recommended to start with the Discs that originally came with the computer..
I´m on the verge of hating my computer!!!
PLEASE HELP....

While we all have MacBooks in this forum most of us don’t have Lion. There's a Lion Support Community where everybody has Lion. You should also post this question there. https://discussions.apple.com/community/mac_os/mac_os_x_v10.7_lion

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    Anyhow the email address I gave them for that purpose was the one Comcast address that  does not work now, so I have a feeling that somehow the problem is with Apple and iCloud but not sure about that.
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  • Local NAS not connecting after installing Lion, what is the fix ?

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    I have the same problem with my Conceptronic CH3HNAS and have found a free and easy solution.
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  • Have done all the trouble shooting connection but my iPad still can not get wifi connection

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    I'm curious if you ever found a solution for this issue.  I recently purchased the SanDisk Extreme II 480GB, replacing my OWC Extreme Pro 240GB.  The OWC never experienced the "slow to wake" issue whereas the SanDisk drive does, consistently.  To make sure I'm having the same symptoms, this is what happens to me:  Put the mac to sleep (either manually or letting it do it on its own, waiting for the led to pulse showing that it is asleep), then wake it up (press a key on the keyboard), the logon screen shows almost immediately but as soon as I try to type the pinwheel/beach ball shows up, I wait between 20 and 30 seconds and then I'm able to type and all is well.
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  • Problem with wifi connection since installing Lion OS X

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  • Can't get help files after install of CS4 Standard

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    ======================
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