Fully erase mac hard drive

You can use the following steps to wipe or erase hard drive data on your Windows computer. You will require back up CD or your windows CD to wipe the data. It will automatically format your disk and it will restart again. Make sure there is an operating system on your computer and boots from that drive.

How to Reset Mac to Factory Settings

Few options may change from OS to OS but the steps will remain same while erasing the data. You reinstall new OS or use the existing one to access your formatted computer. Erasing or wiping data on Mac is similar but options and steps are little different as it is different OS. However, Mac also gives you inbuilt options from erasing data from your Mac computer. Like in windows, use the back up option first to save your important data.

You do not want lose this data because it might become impossible to recover data after it has been erased from the computer. Here are the steps you can follow to wipe or erase hard drive data from Mac.


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You will require installation disk of the OS to perform this wipe. This is the best and easiest way to delete hard disk data on Mac. After the process, your computer will be restarted and it will be fresh installation hence, you will have to restore you original data on your computer from the backup. However, you will require administrative permission before you make this change. Hence, enable the Root user to allow you to make this change.

Both methods are simple and easy to follow. Make sure you have back up your data and use the original installation OS disks to make the process smooth. Recoverit and Recoverit for Mac is a safe and effective hard drive data recovery software. It supports to recover lost data from hard drive,flash dirve,external hard drive and any other storage devices.

Erase all data from Macbook Pro

Sue Wen. Download Now Download Now. Recover undetected drive. Retrieve WD drive data. It erases the volume's data by writing over it with zeros. The length of time this method takes depends on the size of the volume. Department of Defense's M standards for erasing magnetic media. It writes over the data on a volume 35 times.

Step 2: Sign out of everything

Don't expect this erase method to finish any time soon. Fastest — This is the quickest erase method. It doesn't scramble the file data, which means a recovery app may be able to resurrect the erased data.

ERASE MAC HARD DRIVE AND REINSTALL OS X! EASIEST METHOD!

Zero Out the Data — This erase method writes a single path of zeros to all locations on the selected volume or disk. Advanced recovery techniques could restore the data, but it would require a great deal of time and effort.

How to Erase Everything on Macbook Pro Hard Drive Befre Selling

It writes two passes of random data to the volume or disk and then writes a single pass of a known data pattern to the volume or disk. Most Secure — This method of securely erasing a volume or disk meets the requirements of the U.

The erased volume is written to seven times to ensure the data can't be restored. Make your selection and click the OK button to close the Security Options. Format a Hard Drive. This formatting process takes a little longer than the basic erase method described previously. Select a drive from the list of drives and volumes shown in Disk Utility.

Each drive in the list displays its capacity, manufacturer, and product name, such as Enter a name for the drive.

Create a backup

The default name is Untitled. The Volume Format drop-down menu lists the available drive formats that the Mac supports. Optionally, select Zero Out Data. This option is for hard drives only and should not be used with SSDs.


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  • Step 1: Back up your Mac.

Zero Out Data performs a test on the hard drive as it writes zeros to the drive's platters. During the test, Disk Utility maps out any bad sections it finds on the drive's platters so they can't be used. You won't be able to store any important data on a questionable section of the hard drive. The erase process can take a fair amount of time, depending on the drive's capacity. Click the Erase button.

Step Two: Securely Wipe Your Hard Drive (Optional)

Disk Utility will unmount the volume from the desktop, erase it, and then remount it on the desktop. When the display goes blank, press and hold the c key on the keyboard. Booting from the DVD can take time. After you see the grey screen with the Apple logo in the middle, release the c key. Select Use English for the main language. Select Disk Utility from the Utilities menu. Restart Your Mac. Set the startup disk by clicking the Startup Disk button.

Select the disk you want to be the startup disk and then click the Restart button.


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