HT201737: Mac Basics: Icons represent the files on your computer
Learn about Mac Basics: Icons represent the files on your computer
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Apr 7, 2016 8:41 PM in response to Malveaux5by theratter,You cannot "unformed" a drive. You can re-format one, however. But I can't answer your question without knowing how it was formatted before and how it is formatted now. I can simply say that if you want to use it on a Mac, then do this:
Drive Partition and Format
- Open Disk Utility in the Utilities folder.
- After Disk Utility loads select the drive (out-dented entry with the mfgr.'s ID and size) from the side list.
- Click on the Partition or Erase tab in the Disk Utility toolbar depending upon which is activated. If both are activated, then choose Erase.
- Use the adjustable Pie chart to set the number of partitions if you want more than one. Otherwise leave at the default of one.
- In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button and wait for the Done button to activate.
- Quit Disk Utility.