http://isource.com/2012/10/31/doing-a-clean-mountain-lion-reinstall-putting-the-vroom-vroom-back-in-my-macbook-pro/ #1 Source for iPad, iPhone, iPod, Mac and AppleTV Mon, 04 Mar 2013 14:46:00 +0000 hourly 1 https://wordpress.org/?v=5.4.6 http://isource.com/2012/10/31/doing-a-clean-mountain-lion-reinstall-putting-the-vroom-vroom-back-in-my-macbook-pro/#comment-52498 Mon, 04 Mar 2013 14:46:00 +0000 http://isource.com/?p=58363#comment-52498 I think I’m going to have to do the same thing. Since upgrading from SL to ML, pretty much *any* activity is followed by several seconds of thinking time (with optional beachball) before anything actually occurs. Your article has given me hope that my MBP can regain its pre-ML zippiness, though reinstalling everything is going to be a right pain.

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