How to Clean Install Mac OS X Mountain Lion. In the Windows’ analogy, this is like reformatting your Macbook or i. Mac and reinstalling a brand new version of Mac OS X Mountain Lion. Unfortunately in Mac the process can be a little more complicated and less well known.

• Download Mac OS X 10.5 Leopard Install DVD - full iso image torrent or any other torrent from the Applications Mac. Direct download via magnet link.
• Instead of force-quitting you can go to Terminal and type: ln /"Mac OS X Install Data"/InstallESD.dmg /Users/yourusername/Desktop/LionInstall.dmg.

After doing a lot of research and trying out some hints, finally I could install Mac OS X 10.5 Leopard on an iMac G5 1.8 GHz, and I would like to share with you the.

But first, why should you clean install the Mac OS X Mountain Lion at all? Here are couple of reasons we can think of: One, your existing Mac OS X inherited documents, files and applications that take up a lot of unnecessary storage space. To optimize your Mac, it is quite necessary to reinstall and start from a clean slate. Two, you are thinking about trading or gifting your machine to someone else, but you are concerned with the remnants of files, profiles and various credentials that if mishandled, may lead to a security leak. A clean install will give you peace of mind.

With that cleared up, in this article we will show you how to erase existing data and reinstall a brand new copy of Mountain Lion. Here is a breakdown of the steps involved: Download a copy of Mac OS X Mountain Lion. Make a bootable drive of Mac OS X Mountain Lion with a USB drive.

Reboot, Clean up and Reinstall. Driver License Renewal In Atlanta Ga more. You ready? Let’s do it. Recommended Reading: How to Clean Install OS X Mavericks. Re- download Mountain Lion.

First, grab hold of a copy of the Mountain Lion installer file. The installer you downloaded fro the App Store automatically deletes itself after you’ve successfully upgraded your Mac. Here’s how you can download and obtain a soft copy of Mountain Lion. Launch App Store, and go to the Purchases tab. Look for OS X Mountain Lion, hold down the Option key and click Download. Re- enter your App Store credentials if required. If you’ve previously purchased a copy of Mountain Lion, don’t worry, you will not be recharged.

Note that this may take up between 1. Internet connection speeds.

While you wait, get a coffee, a break and a USB drive with at least 8 GB capacity. Make sure that you won’t need any of the contents of the flash drive, if you do, keep a backup of it somewhere first. When you get back, we will look at how you can create a bootable copy of OS X Mountain Lion on your USB drive.

Create bootable OS X Mountain Lion. 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. Once your download is done, go to Finder > Applications. Look for the file called “Install OS X Mountain Lion”, right- click and select Show Package Contents.

Navigate to Contents > Shared. Support, then look for the filename “Install. ESD. dmg”Double- click Install.

ESD. dmg to open/mount it on your Desktop. 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. In Disk Utility, do the following 4 steps carefully: Select the USB drive on the left menu,Select the Erase tab,Select Mac OS Extended (Journaled) for the format. Click the Erase button. Note: This will remove everything in the flash drive. Keep a backup of the files within if you still need them, then come back to this section.

Once the flash drive is formatted, re- select the formatted USB drive from the left menu, and click the Restore tab. Next, we are going to create a bootable OS X Mountain Lion in the flash drive.

Do the following steps carefully: Drag the formatted drive from the left menu to the Destination field. Drag “Mac OS X Install ESD” on the left menu to Source. Click the Restore button. Installation may take about 1. Once it’s done you’ll have yourself a flash drive with a bootable Mountain Lion.

Reboot, Clean up and reinstall. So we’ve downloaded a new copy of Mountain Lion and made it bootable in a flash drive.

Next up, we’ll attempt to remove everything from the current OS and reinstall a new copy of Mountain Lion. First, a reboot! Hold down the Option key as you restart and you’ll end up at the screen below. Then, select the Mac OS X on the right. You’ll be taken to the OS X Utilities dialogue.

Select Disk Utility. At the Disk Utility screen, make sure you have these selected: You are selecting your Mac’s hard disk drive (and not your flash drive’s) on the left menu. You are on the Erase tab. You have selected the “Mac OS Extended (Journaled)” format.

Click the Erase button button and everything (including files, applications, settings, etc) in your Mac will be completely deleted. Note: Do this with caution as there will be no way for recovery from this point onwards.(3. When you are done, you’ll be directed back to the OS X Utilities dialogue.

This time, select Reinstall OS X, the second option from the list. That’s it! Your Mac will now reinstall from the flash drive and you’ll end up with a clean piece of Mac OS X Mountain Lion OS, as if your Mac. Download Free Games Sony Ericsson W20i.

Book or i. Mac was brand new. What’s Next? You may want to check out our following related articles.

Install on a PPC Mac from an external USB Drive. After doing a lot of research and trying out some hints, finally I could install Mac OS X 1. Leopard on an i. Mac G5 1. GHz, and I would like to share with you the solution that I got. Start by creating the disc image of the installation media (this can be DMG, CDR, ISO or any of the disc image formats supported by Mac OS X).

In my case I used an external DVD (Dual Layer) drive with the Installation media to make the image - - because the system doesn't recognize that drive in the Startup Manager (when I restart it while holding down Option key), neither was listed at System Preferences » Startup Disk. Connect your external drive and launch Disk Utility. Select the drive in Disk Utility and then select the Partition tab. Make sure that the drive is formatted using an Apple Partition Map scheme, not GUID or MBR (you may need to reformat your drive to get it in this form).

Select the Restore tab of Disc Utility and drag the Disk Image (or the DVD in case you have an external drive) for the Installation Media onto the Source field. Then drag the appropriate partition (in my case, the USB external drive) to the destination field. Click on restore. This may take a while to complete. Determine the partition where your bootable image it situated (e. This might be disk.

Also you can check it on Disk Utility, select the hard drive - - right click on it and select 'Information,' and write down the 'Partition Number.'. Restart your i. Mac while holding down Command+Option+O+F. This will place you in Open Firmware. Type dev / ls to get the device tree list. In my case it would be. Type devalias ud /ht/pci@2/usb@b/disk@2. In other words: make 'ud' equal to the path you found in step 9.

And look for a file with tbxi attribute, probably in. System\Library\Core. Services\Boot. X, e. System\Library\Core.

Services. 12. Then boot from it. System\Library\Core. Services\Boot. X1. Wait a little bit . I think all the front slash/back slashes are correctly placed, but if any are misplaced please note this in the comments and I will correct them.