My macbook pro (lion 10.7.2) stopped connecting to wireless internet even though network indicates it is connected - full bars.

My macbook pro (10.7.2) just stopped connecting to the internet. 2 other macs in the house are working fine. All 3 are in the same room as the airport. The macbook network icon indicates it is connected with full bars. We have turned the computer off and on, but no effect. Any ideas?

Have you tried turning Airport off and then on again? My own q about this is somewhere in the answered q's--what worked was either the Airport on-off or something my phone company did while I was fiddling with Airport. Good luck!
Gail

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