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View Full Version : Clean Install or Upgrade?




adztaylor
Jul 24, 2012, 02:21 PM
I understand there have been threads on this, but wanted to include a poll to sample just what people's preferences are. So please vote :)



WhackyNinja
Jul 24, 2012, 02:36 PM
I understand there have been threads on this, but wanted to include a poll to sample just what people's preferences are. So please vote :)

I upgraded to ML GM ( Im back on Lion, not because there were problems) and it ran smoothly! :)

crazyxzer0
Jul 24, 2012, 02:41 PM
I will do a clean install on my MBA to do some spring cleaning on the stuff I don't use anymore.

my old uMB I will just do an upgrade

irnchriz
Jul 24, 2012, 03:06 PM
Did a clean install on my MacBook and an upgrade on my iMac. Both went smoothly and are running fine.

robgendreau
Jul 24, 2012, 03:52 PM
Why not try the upgrade first; if it fails then you can do a clean upgrade. Faster.

MacGurl111
Jul 24, 2012, 03:58 PM
After reading for a month on this forum... I think I'll go with the upgrade.

When I had my 2010 mbp I went with the upgrade to SL. It did make my computer a bit slow where i was constantly getting the rainbow timer. At that time I should have gone with a clean install.

Now that I have the retina mbp, ML is 'suppose' work well for this laptop and this mbp was made with ML in mind. So, I'll go ahead and just do the upgrade. :D

kingoftherolex
Jul 24, 2012, 04:59 PM
seeing as how I just picked up this Mac saturday I'm just going to be upgrading, no point in a clean install for me as there is barely anything on the mac.

yaymath
Jul 24, 2012, 05:12 PM
Do I need to have an external hard drive to do a clean install? If so, would it be worth buying one just for it?

xgman
Jul 24, 2012, 06:10 PM
To me, your computer has to be in pretty bad shape in order to have to do a clean install. I have seen no ill effects form an upgrade. It's really more like a big service pack. Saves a lot of time and keeps your personal settings.

50voltphantom
Jul 24, 2012, 06:17 PM
I noticed better performance doing a clean install of Lion after trying the upgrade so it will be a clean install again for me. Purchased new flash drive today.

imahawki
Jul 24, 2012, 06:25 PM
Upgrade. One of the reasons I went to Macs is I got tired of all the bending over backwards you had to do with Windows. I upgraded my 3 Macs from Snow Leopard to Lion with no problems or performance issues. I'll do the same to ML.

golf1410
Jul 24, 2012, 06:39 PM
I just don't get the part of clean install, redeem code and USB drive. How to put them together? Basically, I wanna USB partition for install ML. I don't wanna waste recovery partition on my HDD.

ThaDoggg
Jul 24, 2012, 08:13 PM
I will be doing an upgrade as I'm too lazy and don't want to re-install anything. Hopefully there won't be issues when trying to download tomorrow.

adztaylor
Jul 25, 2012, 01:56 AM
I thought more people would do the upgrade route. Personally I'm going to clone my hard drive to an external and upgrade my internal. If I encounter any problems then il go for the clean install. No point doing a clean install if the upgrade runs smoothly.

Aldaris
Jul 25, 2012, 01:58 AM
Upgrade here, don't want to devote the time to re-download so many apps from the Mac App Store, AutoDesk, and others. That would be a days affair.

Stooby Mcdoobie
Jul 25, 2012, 02:02 AM
I'm going for a clean install because I'm getting a new SSD for my MBP. I would just do a clone of the HDD I'm on now (running GM build), but it's got over 80 GB of 'other' files -- even as a new Mac user, I know something's not quite right there.

Reach9
Jul 25, 2012, 02:14 AM
Is clean installing the following? :

1) buy and download Mountain Lion

2) back up everything with Time Machine

3) Run Mountain Lion setup, choose clean install

4) finish installation process

5) bring back all files via Time Machine

Why not try the upgrade first; if it fails then you can do a clean upgrade. Faster.

how does one do that?

Stooby Mcdoobie
Jul 25, 2012, 02:19 AM
Is clean installing the following? :

1) buy and download Mountain Lion

2) back up everything with Time Machine

3) Run Mountain Lion setup, choose clean install

4) finish installation process

5) bring back all files via Time Machine

No, that wouldn't be a true fresh/clean install. Whatever unnecessary/buggy/glitchy/etc. files you had before will be brought back over via Time Machine.

A fresh install is when you back up only your files (music, documents, pictures, etc. -- not the settings files), then replace them manually after the install.

negativzero
Jul 25, 2012, 02:44 AM
My 2011 MBP has been incrementally upgraded from Snow Leopard to Lion and now Mountain Lion GM with no problem. Don't see a need to change my methods especialy when a "repair permissions" and SMC/PRAM reset will fix most problems thereafter :)

Sylon
Jul 25, 2012, 02:58 AM
Upgrade for me. My MacBook Pro is still new. I've only had it for about 5 months. I don't see a point in doing a fresh install.

WarrenFields
Jul 25, 2012, 05:38 AM
Clean install for me. I always clean install.

mjcharlton71
Jul 25, 2012, 05:42 AM
Clean install on both iMac and MBA.

I'd pickled the iMac a bit with my old Windows-centric mindset, but couldn't be hacked to unpickle it.... clean install sorted everything out for me (running GM from my dev account).

Mindset fully Apple now though, as I have trouble using Windows boxes now when I've got to troubleshoot and fix for people!

adztaylor
Jul 25, 2012, 11:05 AM
Upgrade for me. My MacBook Pro is still new. I've only had it for about 5 months. I don't see a point in doing a fresh install.

Yeah my MacBook Pro is still quite new which is why I'm leaning towards upgrade.

NotAdvisable
Jul 25, 2012, 11:09 AM
I get why some users of Snow Leopard or Lion might want a Clean Install; but some rMBP are saying that their going to do a Clean Install. Why the hell would you need to do that? It's nearly brand spankin' new.

PatriotInvasion
Jul 25, 2012, 11:25 AM
I always clean install even though an upgrade would probably be sufficient. I like the cleansing feeling of the clean install to get rid of the accumulated junk in the bowels of the OS - preference files, support files of apps that I downloaded and deleted, etc.

It takes a little more time and know-how, but at the end you're essentially rewarded with a "brand new" machine.:p

adztaylor
Jul 25, 2012, 03:08 PM
After all that just thought screw it and did a clean install. Manually moved things back into place. Seems very smooth :)

ksgant
Jul 25, 2012, 03:20 PM
I just bought this iMac in February, so only an upgrade for me.

cool11
Jul 25, 2012, 04:35 PM
I am doing upgrades all the years, since I switched to mac, from the 'tiger' osx age.
I always wanted to do a clean install, but never had the time to do it.
So, just upgrading, with no problems.
Can I do upgrading all the years to come? Is it a good practice?
Not only I am upgrading since 'tiger', I am also changed to a new mbp, so we talk about upgrading osx and upgrading to new mac!
No problems.

But I wonder if I could see something better in performance if I ever managed to do a clean install.

The most valuable asset for me, is all the customization and setting(system preferences, application settings, etc) I made.

I wonder...

JohnBossu
Jul 25, 2012, 04:53 PM
Upgrade, and it works perfectly.

kamuix
Jul 25, 2012, 04:56 PM
i just upgraded since im too lazy to do a reinstall. everything works fine.

virginiaplain0
Jul 25, 2012, 04:59 PM
When I upgrade my hard drive sometime later this year, I will then be doing a clean install. So I figure I might as well upgrade since I'm going to do a clean anyway with the new hard drive.

SR45
Jul 25, 2012, 05:00 PM
After I did the upgrade, I noticed that the operating system in opening and closing applications not to mention safari was a little laggy. So I did a clean install a few hours later, and immediately noticed things beginning to speed up. So I believe that doing a clean install does help, at least in my case it did.

DouglasL
Jul 28, 2012, 06:27 PM
Recently made a clean install on my rMBP that is 3 days old, although it has not made a enormous difference, it has surely made the so called "GUI lag" more tolerable :)

So simply put: if you find your user experience not as snappy as expected, consider doing a clean install!

fins831
Jul 28, 2012, 06:31 PM
Just upgraded from SL -> ML and it took 40 min, and after first restart, icloud is syncing, everything is faster, and safari has working extensions....excellent.

Everything works and is functioning, I'd even say slightly faster, but that is just me justifying the 20 dollar purchase lol.

But i love being able to type up lists and reminders from my laptop at home/work, and then open my phone and have them there, I know I am late to the party, but people told me to skip Lion and I listened, this seems polished.

adztaylor
Jul 30, 2012, 03:33 PM
So simply put: if you find your user experience not as snappy as expected, consider doing a clean install!

Agreed.

Lvivske
Jul 30, 2012, 03:57 PM
is there any technical reason why a clean install would make a difference? or is everyone just eyeballing it and getting this in their heads

JandG
Jul 30, 2012, 06:39 PM
I would like to do a clean install of ML 10.8 but not sure how I keep my emails and bookmarks. The rest is OK. I have a current CarbonCopy on one external HDD and a Time Machine copy on another external HDD.

Can some one tell me please how I can keep all my existing emails and bookmarks please.

Thanks heaps

Icy1007
Jul 30, 2012, 07:04 PM
Upgrade. I've got too much stuff that I'd have to reinstall.

Runs beautifully after upgrading to ML.

nikhsub1
Jul 30, 2012, 07:27 PM
No, that wouldn't be a true fresh/clean install. Whatever unnecessary/buggy/glitchy/etc. files you had before will be brought back over via Time Machine.

A fresh install is when you back up only your files (music, documents, pictures, etc. -- not the settings files), then replace them manually after the install.
Not true. Sure a TM restore you can have prefs put back but that is all they are, prefs. A clean install insures that there are no remnants of the old OS anywhere on the drive.

Stooby Mcdoobie
Jul 30, 2012, 10:39 PM
Not true. Sure a TM restore you can have prefs put back but that is all they are, prefs. A clean install insures that there are no remnants of the old OS anywhere on the drive.
Ah, I stand corrected.

ixodes
Jul 30, 2012, 10:49 PM
I prefer a true clean install.

The reason I don't mind the extra time & effort is because I'm always seeking to streamline my work flow, increase speed and optimize my Mac.

Never at a loss for ideas & things I want to change or improve, a clean install provides me with the ideal opportunity to do it.

Once it's done, I have a good sense of accomplishment and a fresh new software configuration.

It just gets better :)