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How to restore the Fusion Drive in OS X?
Repair the Fusion Drive (see under “Troubleshooting” on the linked page.) Quit Disk Utility and go to Step 7a or Step 7b. Skip Steps 4b, 5, and 6. 4b. In the OS X Utilities screen, select Get Help Online. Safari will launch. While in Recovery, you’ll have no access to your bookmarks, but you won’t need them.
What to do when your iMac goes into recovery mode?
Restart your Mac holding down the Command and R keys (this is Recovery Mode). The Mac will use the Time Machine to build the OS Utilities page. As the drive is shipped to you unformatted, you need to initialise the SSD to get it ready for the transfer of data.
How do I get my iMac to boot from a new SSD?
When you restart, hold down the option key and choose the new SSD to boot from. In StartUp Disk (in system preferences) choose the new SSD as the drive the system uses to restart the Mac. Now whenever the iMac restarts it will boot from the SSD first.
What happens when I upgrade my iMac to a SSD?
Upgrade to an SSD and you can make your Mac run like new. Applications will open quicker, starting up is snappy, and the overall result is extending the life of your Mac. Replacing your mechanical hard drive with an SSD, and you will experience an incredible increase in speed.
Why does my iMac have two fusion drives?
If your Fusion Drive appears as two drives instead of one in the Finder, it’s no longer working as a Fusion Drive. Here’s how to fix it. Fusion Drive, a storage option on some iMac and Mac mini computers, combines a hard drive and flash storage in a single volume for improved performance and storage capacity.
What should I do if I split my Fusion Drive?
Use Terminal to create a Fusion Drive again. These steps permanently delete all data stored on the drives that make up your Fusion Drive. Make sure that you have a backup before continuing. 1. Turn on your Mac and immediately hold down Command-R or Option-Command-R to start up from macOS Recovery.
How do I reset the disk on my MacBook Pro?
Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery. Release the keys when you see the Apple logo or spinning globe. When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar. Type diskutil resetFusion in the Terminal window, then press Return.
Where do I find the Fusion Drive identifier?
When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar. Type diskutil list in the Terminal window, then press Return. Terminal displays a table of data about your drives. In the IDENTIFIER column, find the identifier for each of the two internal, physical drives that make up your Fusion Drive.
Where can I get a new iMac Fusion Drive?
If you don’t feel confident that you can follow the instructions, get someone more experienced to help you. One option is to make a “Genius” appointment at an Apple Store. This procedure applies only to an iMac or Mac mini with a factory-installed Fusion Drive.