Are there ways to fix a lost connection to wi-fi via macbook air?

I have a Macbook Air with Mac OS X Version 10.7.3. I am unable to connect to my home wi-fi using airport despite being able to utilize the wi-fi with other devices including my iPad. Any suggestions for how I can resolve this?

Morning steph269,
Thanks for using Apple Support Communities.
For more information on this, take a look at this article:
AirPort Quick Assist
http://support.apple.com/kb/HT1145
For troubleshooting on this, take a look at this article:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
http://support.apple.com/kb/HT4628
Hope this helps,
Mario

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Are there ways to fix a lost connection to wi-fi via macbook air?

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