Confirm and type 'wipe' in the dialog box, and click 'start' to wipe.In the main window, the Mac hard drive is loaded into the disk map, we first click 'Entire Drive', and select on overwrite method from the five available security list click 'Wipe Now'.Run Macrorit Data Wiper (Click here to download portable edition).Plug in this hard drive, and boot Windows.Steps to wipe Mac Hard Drive in Macrorit Data Wiper What if Mac won't boot, CMD+R can't work either? There's another way to wipe Mac hard drive clean and factory setting it in Windows system, not to format or delete volume in Windows Disk Management, but wipe this disk in third party disk manager, Macrorit Data Wiper. Everything on the disk has been wiped, it's a clean Mac now, and it's safe to donate or share it with others. Now we have this OS reinstalled, it runs smooth as it were. After erased, click Reinstall OS X, for example, to continue.If you're going to reinstall Mac OS, just leave the settings as default, and click 'Erase' to continue.Choose the disk listed on the left side, and click 'Erase' Tab.Click on 'Disk Utility', and click 'Continue'.Press CMD key + R at the same time, and hold them for a while when the gray window shows up options.Here're the steps to erase everything and reinstall Mac OS X: Macrorit Data Wiper is able to wipe Mac Hard Drive with HFS plus file system clean, after wiped in data Wiper, the hard drive can be used without worrying about leakage on old data.ĭata Wiper Download Wipe Mac hard drive and reinstall Mac OSīefore wiping Mac hard drive, it's advised to backup important files. When Mac OS is running slow, it's better to reinstall the system again instead of carefully cleaning up files if you want to donate Mac hard drive, or give it to family members using Windows system, you can wipe it and format the hard drive to NTFS or FAT32 in Windows disk manager.

Wipe and reinstall mac os disk utility