I had the same problem on my a1342. Formatting (Mavericks) and installing Mountain Lion, my macbook had no more problem! I don't know how, but it works good now!
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I had the same problem on my a1342. Formatting (Mavericks) and installing Mountain Lion, my macbook doesn't have any problem! I don't know how, but it works good now!
I had the same problem on my a1342. Formatting (Mavericks) and installing Mountain Lion, my macbook had no more problem! I don't know how, but it works good now!