MacBook Pro (13-inch Early 2011), OS X Mountain Lion (10.8) Posted on Apr 23, 2013 12:51 PM Reply I have this question too ( 325 ) I have this question too Me too (325) Me too.
MacBook Pro (Mid/Late 2007 or newer) MacBook Air (Late 2008 or newer) Mac mini (Early 2009 or newer). Launch the Mac App Store and download OS X Mountain Lion ($19.99 for Upgrade). Mac mountain lion free download - Mountain Lion Cache Cleaner, Apple Mac OS X Lion 10.7.5 Supplemental Update, Apple OS X Bash Update Mountain Lion, and many more programs. Any idea why it's taking 24 hours to install Mountain Lion? I installed a 256GB ssd in my Macbook Pro, and I get a message that the Mountain Lion install will take 24 hours. I tried restarting the installation process a couple of times and I still get the message. It's been running almost 12 hours and it looks like it will take 24 hours.
- May 23, 2020
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Most advice I've found online suggests upto an hour should be the maximum time needed..
I've got a decent internet speed here so it's not that.
I've tried direct ethernet connection and wireless and it's the same in both.
The Mac was working ok before the hard drive failed.
Any ideas as to why this is taking so long?