How to wipe your mac clean lion

When it comes to restoring data for apps that are not document-centric, like iTunes, iPhoto or Mail, you need to find and copy the data from your backup to the same location on your new drive.

How To Restore Your Mac To Factory Settings

For other apps, you may need to search for instructions on where to find the data and preference files. At this point, you can start reinstalling any other applications you might have had installed.

Deleting Everything Off a Mac : Macs & Apple Computers

Do not try to copy them from your backup. Reinstall them from the original disks, or download them from the original source.


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Once you have completed the seventh step, you should have your machine back to a state pretty close to where it was before, though hopefully without the issues that caused you to go to all this trouble in the first place. Is it enough to choose Erase? Are the results of Erase command similar to Format option from Windows? There is no need to zero out the drive. Erasing is sufficient, there is no malware that can survive that.

Malware would have to somehow embed itself into the hardware such as in the firmware in order to survive a hard drive erasure.

Step 1: Back up!

While just hitting Erase gives you a clean drive to reinstall to, it would be a very good idea to to zero the data. The zeroing touches every block of the drive, so if you do have a bad block it would be found and retaliated to a good block. This would be more important on a drive 3 years and older vs a newer drive.

It was true years ago, but modern drives automatically map out bad blocks as they are encountered. Zeroing the drive these days is only important if you want to wipe the data and prevent it from being recoverable.

Mac How to erase your Mac's hard drive the right way | Macworld

I really want to do a totally clean install of ML. Is there a straightforward way to accomplish that? You can download the Mountain Lion installer, then make a bootable install disk out of it and use that to erase the hard drive and install ML. If you make a bootable install disk according to those directions, then you can install in an offline situation. Search for: Step 1: Back up!


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Step 3: Reinstall This step is pretty simple — just follow the directions to reinstall the system on the newly-erased drive. Step 4: Update Once your system restarts successfully, you will need to be sure that it is fully up-to-date. Step 5: Reconfigure Once your clean, new system is up and running and fully updated, work on getting all the settings back to the way you like them.

Step 6: Import data selectively!

Before You Start: Back Up!

Step 7: Reinstall applications At this point, you can start reinstalling any other applications you might have had installed. April 11, at 3: Thomas says: April 11, at 6: Someone says: April 14, at 9: Follow the instructions in the below link for the OS X version you wish to reinstall. Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.

You will need an active Internet connection. I suggest using Ethernet if possible. Jun 21, Page content loaded. Reinstall OS X Lion Communities Contact Support. Sign in. Browse Search. Ask a question. User profile for user: Harlenis Harlenis. This is for a Macbook Pro inch, Mid with the following: Processor 2. More Less.

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