Since Internet Recovery described below , there is no need for discs, only an internet connection. This works for These are available through Apple, PowerMax, and other sources. Thankfully, we no longer have to mess with DVD. Select Disk Utility and erase your HD, just as instructed to do in the first section of this article. From there, you can upgrade to the latest version if you choose.
I work at a hospital and our IS guys know nothing about Macs. I have waited from Dec.
Reinstall them from the original disks, or download them from the original source. 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?
Select the disk from the menu, select your language, then choose Disk Utility from the Utility drop-down menu and proceed to reformat it to the right settings. Or sign in with one of these services. Related 8. All without the need for a recovery disc or thumb drive. By using Lifewire, you accept our.
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.
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. 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! 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!
Step 7: Reinstall applications At this point, you can start reinstalling any other applications you might have had installed. April 11, at pm. Thomas says:.
Someone says:. April 14, at am. Tom says:. April 13, at am. April 13, at pm. Timothy says:. April 15, at am. TImothy says:.