How to Change External Hard Drive From Read Only Mac
If yous want to insure full Mac compatibility of a new external hard drive or flash disk, you lot'll want to format the drive to the Mac OS Extended filesystem. This is particularly necessary for purchases of generic PC drives, which virtually always come up preformatted to be Windows compatible rather than for Mac Bone X.
Yes, connecting an external hard bulldoze or USB flash key to a Mac will more often than not read and work fine as is because the Mac tin can easily read other filesystem formats, including Windows MSDOS, Fatty, FAT32, ExFat, and NTFS formats, but unless you intend on using the drive between a Windows and Mac machine, formatting it to be entirely Mac compatible filesystem is highly recommended, and necessary for Time Motorcar and to make disks bootable.
If you have never formatted a drive before on the Mac, don't worry, it'southward super easy and nosotros'll walk you through the unabridged process.
How to Format an External Drive for Mac Compatibility
This is a simple procedure and is achieved the same way for all drive types and through all connections, be they USB, Firewire, or Thunderbolt. Formatting a drive will erase all information and partitions on the disk:
- Connect the hard drive or USB central to the Mac
- Launch Disk Utility, located in Applications > Utilities
- Locate the drive proper name from the left hand side of Disk Utility and click on it
- Click on the "Erase" tab across the top
- Next to "Format:" click the contextual carte du jour and select "Mac OS Extended (Journaled)"
- Name the bulldoze if you want, the proper name tin be changed at any point
- Click the "Erase" button and confirm again on the next pop-upwardly window, this will erase all data on the bulldoze and format it to be compatible
That'south all there is to it, the bulldoze will at present format and erase everything on it.
Smaller external hard drives, SSD's, and USB flash keys format speedily, while a larger difficult drive may take a while longer. When completed, the drive will be formatted to the Mac Bone X compatible HFS+ filesystem.
The videos below demonstrate the consummate process of formatting an external hard drive for full Mac Os 10 compatibility, this uses the new Disk Utility in modern versions of Mac Os X:
Similarly, you lot can perform the same type of process in Mac OS 10 for making a USB flash bulldoze compatible with Mac Os using the Disk Utility in Mac OS X, every bit you tin can see, information technology's a quick procedure that is done in short order on any Mac:
Should you lot intend to brand an Mac Os installer drive (for Os X Mavericks, OS X El Capitan, Os X Yosemite, etc) or create any other bootable Mac Os X volume from a drive, or employ a new drive as a fully compatible Time Automobile backup drive, you will also need to complete this procedure.
The process of formatting a drive to exist uniform with Windows PC and Mac OS X requires a different format choice, but is otherwise quite similar.
Source: https://osxdaily.com/2012/01/04/format-an-external-hard-drive-or-usb-flash-drive-for-mac-os-x/
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