During this time, you can Back up with Time Machine for free. Otherwise, you may lose important files after erasing hard drive on Mac. To start with, you need to create an up-to-date backup before you erase Mac hard drive. The macOS installer cannot see or install your disk on Mac.Your Mac hard drive is reported as unreadable.Change from a PC format (FAT, ExFAT, NTFS) to a Mac format (APFS, Mac OS Extended).Sell, give away or trade in your Mac computer.Well, if you encounter any situation mentioned below, you need wipe your Mac and reset it to factory settings. These are common scenarios that you want to factory reset MacBook Pro and other Apple computers. Why You Need to Erase a Hard Drive on Mac

Part 5: Something You Need to Do before Selling Your Old Mac.Part 4: How to Wipe a Mac Flexibly without Losing Data.Part 3: How to Factory Reset Your Mac with Disk Utility.Part 2: Back Up Your Mac before Erasing.Part 1: Why You Need to Erase a Hard Drive on Mac.

Now you can reset a Mac to factory settings and reinstall OS manually. You may see “SATA Disk (HDD)”, “Solid State SATA Drive (SSD)”, “SuperDrive” and “Flash Storage”. Later, you can see the drive type you are using. Want to erase Mac hard drive? Do you really know whether you have a HDD (hard drive) or SSD (Solid State drive)? Well, you had better have a check before you erase a disk for Mac.Ĭhoose “About this Mac” from the “Apple” drop-down menu on the top right corner.

How to free up space on mac ehd