Wi-Fi Error: Cannot Join Wi-Fi Automatically
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Recently there was something wrong with my MacBook Pro 13-inch Mid 2012 running OS X Mountain Lion (10.8.2). It cannot join Wi-Fi network automatically.
Everytime I have to enter password, and then it can connect to the Wi-Fi, but it still tells me "cannot connect to the Wi-Fi".
How to fix this?
(It cannot join the Wi-Fi automatically. )
(I have to enter the password. )
(Connection was established but it gives me a wrong feedback. )
(I've already set the Wi-Fi as the first-pick one. )
I tried changing positions, checking file systems, changing MTU, updating DHCP but the problem is still there and I don't know what to do.
So could you help me? Thanks very much!
MacBook Pro, OS X Mountain Lion (10.8.2)