I have 2 identical MacBooks. One connects to the internet and the other one doesn't. I have run diagnostics and they say Airport is fine. For some reason after I type in the WPA password it won't connect and times out. Thanks
I assume you are talking about WIFI. Mac's are peculiar at times on their WIFI, especially when coming out of sleep. Try turning off your wireless, waiting 30 seconds and turning it on again. This seems to work often. You have to be a little bit crazy to keep you from going insane.
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