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1. Mac Os Versions
2. Mac Os Catalina

I'm trying to update my 2011 MacBook pro from OS X 10.7.5 to the latest version Sierra.

Basically the install won't finish and gets stuck on a page with an apple logo and loading bar (see photo). I've tried all of the recovery mode stuff and restarting the Sierra install. For some reason I can't just go back and reinstall 10.7.5 because Sierra is now installed on to my Hard Drive?

I also had about 30gb of free disk space.

This is really annoying me as I am a music producer and heavily rely on my laptop.

I'm also worried about my data being lost?

Can anyone please help?

Mac Os Versions

B

Mac Os Catalina

Posted on Mar 17, 2017 4:17 AM