![]() Step 2: Highlight your external drive and click “Erase”. The quickest way to do this is a simple Spotlight search (click the search icon on the upper right corner), or go to Applications > Utilities > Disk Utility. They might be different if your Mac is on a relatively new macOS version. Note: The tutorial and screenshots below are based on an older version of macOS. How to Format an External Drive for MacĪs explained above, you need to format your drive from NTFS to Mac OS Extended. The problem is that on macOS, you can’t work with files saved on an NTFS drive unless you use a third-party app which usually costs money. What is NTFS? I’m not going to explain here you can read more on Wikipedia. It showed this format: Format: Windows NT File System (NTFS) I then right-clicked the external drive icon on Mac desktop > Get Info. If I wanted to use it with Mac OS or Time Machine backup (which is my intent), I’ll need to format the drive for my Mac. It brought me to a webpage on Seagate’s site, where it clearly indicated the drive was initially set up to work with a Windows PC. Since I wanted to use it on Mac, I clicked the blue logo with the text “Start_Here-Mac”. When I opened it, the default content was all there. When I connected the Seagate to my Mac, the drive icon showed up like this. I bought a brand new 2TB Seagate Expansion to backup my MacBook Pro before I updated it to the latest macOS. Most External Hard Drives Are Initiated with NTFSĭuring the last several years, I’ve used a few external drives, including a 500GB WD My Passport, 32GB Lexar flash drive, and a few others. How to Partition an External Hard Drive on Mac.How to Format an External Drive for Mac.Most External Hard Drives Are Initiated with NTFS.You do not need to enable WiFi anymore once you have MacOS reinstalled. Once you do that, format it as HFS Extended (Journaled) in Disk Utility, and then you’re good to reinstall. While yes you can directly download 10.13 and get there immediately, you may have to install a older OS to bump it up to being able to use internet recovery. If you wanted to as well, you can always make a USB boot drive and install that way. If not, download a copy of 10.8 and then install High Sierra, and enable internet recovery :-). If not you'll need to install this EFI update. Once you do that if you see a globe, you’re set to use internet recovery. To see if yours is one of the DVD required units (or if you can use internet recovery), press Command+Option+R - the Option key is important as it forces internet recovery. CAUTION: YOU NEED A SATA III SSD WITH A SATA II FALLBACK, MINIMUM - THE MCP89 DOES NOT SUPPORT SATA III! However, 10.10-10.13 installations did enable it after the firmware upgrades were moved from installers to the OS updates. If you had it running 10.6-~10.8, there is no internet recovery. The issue is internet recovery was not standard until 2011. Depending on the OS these ran, you may need a DVD for the reinstall. ![]()
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