laportfolio.blogg.se - How to clean macbook pro hard drive

Secure Erase is documented in the Help menu of the Disk Utility application.

Select the checkbox for “Zero all data”.įor a more secure method of erasing of data, you can select the checkbox “8 Way Random Write Format” instead of or in addition to selecting “Zero all data.” This process could take several hours.

Select the volume format from the Volume Format pop-up menu.

Instead, choose Installer > Open Disk Utilities.

When the Installer screen appears, do not click Continue.Immediately after the startup sound, press and hold the “C” key to start up from CD.These steps assume you have a Mac OS X 10.2.3 or later CD: Note:This refers to a full Mac OS X 10.2.3 or later CD included with a computer, not to the update-only 10.2.3 CD.

To erase a Macintosh hard disk you can boot with a different disk and use the Disk Utility.