Clean install mountain lion from another mac

Respond if this helped you out! I have an iMac 3. I booted from a backup external hard drive. But I really want to have a clean and tidy hard drive. What I want to know is this. Should I wipe clean my iMac and restore from my hard drive. Afterwhich, I can download Mountain Lion and upgrade from there. Or is there a way to clean my iMac and install Mountain Lion straightaway and simply drag and drop what I want from my external hard drive onto the new desktop.

If we buy Mountain Lion via the AppStore and then we perform a clean install as we do normally, will it be Lion or Mountain Lion that would be downloaded? I chose the USB to boot from. Then I erased my partition on the SSD and started the installation. Unfortunately I quit the installation and wanted to start the procedure again.

When I booted the USB once more it automatically started the installation but with an immediate error: Disk utility shows 12 untitled drives I think the recovery partition was started. How can that be? Quick… but not so simple question: Will a clean install delete my original recovery partition?

Now, i dont want to lose this kitty and would like to keep it handy like for when the time comes to sell my Mac, ill want to wipe it clean and avoid giving free stuff, for example: Long story short, i want to be able to de-evolve from mountain lion to lion.

Then had my wife log into App Store using my login and then downloaded the already purchased Mountain lion on my iMac at home. Afterward, the computer ws completely reset ike from the factory.

Can someone please help? How long does it take to clean install mountain lion, coz i did create a bootable usb and still its downloading again ftom the web when i install it. What do I do from here? It could be completely blank. Hey I have a question. I upgraded my snow leopard with Mountain lion however it really slowed down the boot of the computer. So I am actually thinking of making a back up of my files with time machine, then clean install mountain lion and finally put the backup to get my files. Is it a good idea? I mean i worry that by using my backup I will also retrieve the causes of why the Boot is slow.

Thinking of a clean install and restoring programs and data from my Time Machine back up. Is this possible and if so, how? July 27, at 3: How do you get the apps again? Same problem here. AppsStore does not let me reinstall the apps! It says already installed. For some it says that they have updates. I run the update but the apps is not present: I made a bootable cd on my MBP and used it to do a clean install on the same computer and it worked perfectly!

This was very helpful. Thanks for publishing. Wiping it with a clean install of Mountain Lion gave it new life. I am happy Mac is bailing on the DVD. Even though it cost me a bit more effort, its one less piece of trash in the dump. I am selling my mid iMac that was pre-installed with Lion. I recently upgraded to Mountain Lion.

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Will I be able to make a Mountain Lion installation disk to reinstall it fresh for the new owner or will it reject their Apple ID once they complete registration? I bought used macbook 4,1. Please let me know the process. There is an incredible difference with a Clean Install to speed and stopping the spinning beach ball that arrives after about 2 to 3 years on a Mac.

I just install an additional SSD hard drive into my late Mac. Before I did that I partitioned the drive and then shut down the computer and then held command R untill I could download from the Apple store. I restarted it a few times but nothing.

How to Perform a Clean Install of OS X Lion on Your Mac

This chimed twice and I let it start up. Then I was still not installing. I then tried command R one more time and then it started to install. Seems to be the only and no one else talks about. I even read that someone said that it cannot be done without a bootable USB. Running pretty sluggish, so did a clean install — its like having a new mac!!!! Did take hours to reinstall everything though. Long answer so google for each program. I just copied the correct folders for iTunes, Mail, iPhoto etc. Mail was the trickiest. Two questions. Will I still be able to boot windows normally?

What happens to programs that requires license to install, for example Office , Photoshop CS5 etc? Will they allow me to restore it from TimeMachine backup or do I need new licenses? I would like to do a clean install of Well no where did it say it was gonna take 6 hours to download!!!!! It does somewhere. Welcome to the land of the third world internet. Took no time at all. Are you near an internet backbone facility with public access? Find one and use it for large files. I may have a few silly questions but here goes: I want a clean install because my mac is a little slow..

Will that be the easiest way? Also I have a few games on there Sims 3 — tomb raider and the likes — also sims midieval which I downloaded from online store.

If I coply applications or use timemachine,will I be able to recover this after the clean install? If I follow the above instructions to a T…will I be in good hands? There is no way I can mess it up? I recently received a mac book pro from a friend of mine.

Should you perform a clean install of Mountain Lion?

I decided to clean install OS X mountain lion to make sure there was no left over stuff from the files she had on it. Now when i turn the computer it give me the option of re-installing the software; I click continue and it says contact apple Am i able to make OS X flash drive installer without the mac?

My other computer is windows Thanks a million: I have a clean mac book pro which mean no operating system on it. Any advice? Pls help. Name required. Mail will not be published required.

Perform a Clean Install of OS X Lion on Your Mac

All Rights Reserved. Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Gary says: July 25, at Paul says: Nigel says: August 21, at Wagnus says: October 10, at 7: First, grab hold of a copy of the Mountain Lion installer file. Re-enter your App Store credentials if required. Note that this may take up between 10 and 60 minutes, depending on your Internet connection speeds.

Do not start the installation process when your download finishes. Our goal is here to keep a soft copy of the installer and in the flash drive. Double-click InstallESD.

This may take a minute or two. Plug in the flash drive into your Mac and launch the Disk Utility application. You can do it quickly by searching via Spotlight. This will remove everything in the flash drive. Create a bootable installer for macOS - Apple Support. Select the following line by dragging your cursor from just prior to the word sudo to past the word volume:. Go to the Terminal window, paste that line into the Terminal window, and type a space character.

Stop right there; do not press Return. This is an example of what should happen. The name of the USB drive is "untitled" in the following:. Then press Return. How to choose a startup disk on your Mac - Apple Support.

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Page content loaded. Jul 15, 9: Can i just make a direct clean install? If it cannot be done in any other way i will but i prefer a clean install than successives upgrades Communities Contact Support. Sign in. Browse Search. Ask a question. User profile for user: Desktops Speciality level out of ten: I get an error Error: