New hard drive for imac 2010 3.2 i3 mac os#
New hard drive for imac 2010 3.2 i3 install#

We can leave our hard drive in the HFS+ format or convert it from HFS+ to the Apple’s brand new APFS (Apple File System) format using the Disk Utility app. Our brand new hard drive is ready for use with macOS. Warning! Do not forget to replace the disk2 before pressing the key Enter.

Note! To get Master Boot Record (MBR) instead of GUID Partition Table (GPT), simply replace the “GPT” mention to “MBR”. Note! Replace “Transcend” with the name that you want to give to your hard drive. Initialized /dev/rdisk2s2 as a 931 GB case-insensitive HFS Plus volume with a 81920k journal

New hard drive for imac 2010 3.2 i3 mac os#

Incorrect actions can lead to data loss and even computer failure.ĭiskutil partitionDisk disk2 GPT JHFS+ 'Transcend' 0gįormatting disk2s2 as Mac OS Extended (Journaled) with name Transcend When I +i the Hard Drive the capacity, it gives the capacity as 148.73 GB. Disk Utility lists the Capacity as 465.6 GB, the Available as 1.3 GB (which is true), and Used as 147.4 GB. Once the process begins, all the data on the drive will be lost!īe careful working with disks in the terminal. I had a new hard drive installed for Christmas, a 500 GB Western digital for my late 2007 MBP, and problematically, there is no new availability on the drive. This process is data destructive and cannot be undone. Let’s get started.Ĭritical! The instructions in the article below are designed to help repartition and format a hard drive.

New hard drive for imac 2010 3.2 i3 install#

Both tools are built-in in macOS, so we do not need to download or install anything. We will use the Terminal app and two tools diskutil and dd. Therefore, to avoid problems, I prefer a very old and proven method. You can read more about the issue in this article. For many people a hard drive becomes unusable after using the Disk Utility app. The easiest way to format the disc is by using macOS built-in Disk Utility app, but problems are very possible. So the only workaround is to format the disc to HFS+ or APFS. macOS can read but not write to NTFS formatted drives.

But most drives (from any manufacturer) come formatted in the NTFS file system format for OS Windows, while for macOS we needed the HFS+ format or the Apple’s brand new APFS (Apple File System) format. A Transcend company says that it can be used on both Windows and macOS. I bought a brand new external hard drive (disk) Transcend StoreJet 25M3 1Tb.