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moderngamenewb
Jul 24, 2012, 12:43 PM
I'm planning on doing a clean install on my Mac (MacBook pro 13inch mid 2010) when Mountain Lion comes out. I know I can just do an upgrade, but I'm hoping a clean install will improve my speed just a little bit. Is there an advantage to a clean install and manually adding everything versus a clean install and restore through time machine?



heisenberg123
Jul 24, 2012, 12:47 PM
I'm planning on doing a clean install on my Mac (MacBook pro 13inch mid 2010) when Mountain Lion comes out. I know I can just do an upgrade, but I'm hoping a clean install will improve my speed just a little bit. Is there an advantage to a clean install and manually adding everything versus a clean install and restore through time machine?

well the restore will almost cancel out the clean install because if there is a file or app that would be causing you issues your retoring it right back on

a true clean install would be re-installing everything manually


that said i see no advantage and recommend you just upgrade

moderngamenewb
Jul 24, 2012, 12:49 PM
Thanks. Startup time is kind of slow on Lion, so I'm hoping the clean install will speed it up. I think I'll probably do a true clean install, since I'm sure there's extra junk on my computer that could possibly be the reason it's slowed down

slynger
Jul 24, 2012, 01:28 PM
http://forums.macrumors.com/showthread.php?t=1404860

robgendreau
Jul 24, 2012, 03:57 PM
You "think" there's something that slowing it down, yet you're manually reinstalling stuff without knowing what caused the problem???

And you hope that'll help? how?

Your time would be much better spent doing some diagnostics with Activity Monitor before you waste even more time with a "clean" install.

moderngamenewb
Jul 30, 2012, 06:41 PM
I did the clean install, and manually added my stuff back, and it actually does run a bit quicker. I first went into disk utility and repaired permissions (that could have been part of the problem). I then installed Mountain Lion, and then wiped the drive with the recovery partition, and reinstalled Mountain Lion again (I was having trouble copying the installer to a USB), and then added my stuff back, and it actually runs a bit faster. I wonder if repairing the permissions was the problem, or if it was just old junk on their that got removed when I wiped the drive. Either way, it's a bit faster now, and running pretty well.

cecoleman
Jul 30, 2012, 08:47 PM
I like to do a clean install just see what all of the default settings are from the operating system. You don't get that from upgrade.

moderngamenewb
Jul 31, 2012, 12:35 AM
I like to do a clean install just see what all of the default settings are from the operating system. You don't get that from upgrade.

That's the other reason why I did the clean install. I wanted to see what default settings were changed between Lion and Mountain Lion. Other than no battery time indicator (just percentage), and gatekeeper, I didn't really notice a difference between the default settings