Without monitoring your drives closely, Time Machine backups are the best way to secure your data before it’s too late.Cisdem Data Recovery for Mac Recover Data from Uninitialized Disk on Mac However, the best course of action is to create routine backups using Time Machine.
Fortunately, there are usually solutions for the different cases of greyed-out partitions like the ones we went over in this article. To fix it, run the First Aid tool on your entire drive instead.Ī greyed-out partition in Disk Utility can be caused by user error, corruption, or even the natural lifespan of a drive. If the First Aid button is greyed out in Disk Utility when selecting your partition, the partition map (which defines how your data is organized) is likely corrupted. The solution when the Erase option is disabled in Disk Utility or if in Disk Utility all options are greyed out is to select a non-system drive from Disk Utility’s sidebar.Ĭase #6: First Aid is Greyed Out in Recovery Mode for System Drive If Erase is grayed out in Disk Utility (or Restore or Umount), you likely selected your system drive or partition, which is currently running macOS. The Erase, Restore, and Unmount Buttons are only available for non-system internal and external drives and partitions to protect users from affecting macOS. Case #5: Erase, Restore, Unmount Buttons Are Greyed Out In this case, the Partition button won’t be greyed out but Disk Utility will offer to partition your drive at the expense of erasing your data. See Case #2 for instructions and warnings.Īnother case of “Disk Utility won’t let me partition” is when the drive being partitioned is at full capacity. In this case, you’ll need to format your drive and choose GUID Partition Map as its Scheme. If Disk Utility’s Partition button is greyed out, you might be attempting to partition a drive with the MBR (Master Boot Record) Scheme.
If you’re in Disk Utility and you’re unable to partition your hard drive on your Mac, it might be a matter of formatting. Case #4: Partitioning Function is Greyed Out See Case #2 for instructions and warnings. If you want to create a volume on your drive, you’ll need to format it to APFS. If it’s greyed out, that means you’re using a different file system (such as HFS+, exFAT, FAT32, or NTFS) for which the tool is not available.
This tool is only available for APFS partitions. The Volume +\- button is a tool that allows users to easily create “volumes” (think of them as the resizable version of partitions) on a drive. The above steps are the gist of it, but you can do other things with Disk Drill like previewing your files (even videos), checking your drive’s health, and more.
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