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Check hard disk health mac8/13/2023 ![]() Hard drives fail, it’s a fact of counting life. ![]() Once the repair disk has completed successfully, you can start OS X normally and drive issues need to be resolved.Ī few last notes: Protecting the health of your hard drive is not an option for backup, you need to back up your Mac regularly with Time Machine or some other method if you choose. Click the hard disk that reported the error, click the “First Aid” tab, and then click “Repair Disk”.On the Mac OS X Utilities screen, select “Disk Utility”.Select “Recovery HD” from the start menu.Restart your Mac and hold down Command + R (hold down your Option key on some Macs).This does not mean that you cannot repair the boot drive, it just requires a new step, which we will discuss next.īefore proceeding, you should quickly back up your drive using Time Machine. ![]() If you see a red message saying “Error: This disk needs to be repaired”, you can just click the Repair Disk button to start that repair process, which works on all internal or external drives – If that drive is not a boot disk, you will notice that the Repair Disk button is not at hand. The Disk Utility should look like one of the following screenshots:įor most users, what you see looks like this, finalizing the message “Partition map appears to be OK,” indicating that no errors were found:Ĭhecking the map of the “APPLE Media” area Checking the conditions Checking the partition list Checking the EFI system partition Checking the EFI system partition size Checking the EFI system partition file system Checking all the items in the EFI partition loader Checking the physical volume partitions of the core repositories The partition map appears to be OK You will find a window with messages about the status of the drive, messages that point to things will appear in black, and messages that indicate faults will appear in red. Click the Verify Disk in the lower right corner and let it work.Select your Mac hard drive from the menu on the left and click the “First Aid” tab.Start Disk Utility, located in the / Applications / Utilities folder.The first thing you want to do is check the condition of your hard drive, this is done through a process called confirmation, and it’s pretty simple: Checking the condition of your hard disk on a Mac
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