- #BOOT IN TARGET DISK MODE HOW ACCESS SSD FUSION DRIVE SOFTWARE#
- #BOOT IN TARGET DISK MODE HOW ACCESS SSD FUSION DRIVE MAC#
If your drive is making unusual clicking noises, it’s almost certain you have a hardware problem.
#BOOT IN TARGET DISK MODE HOW ACCESS SSD FUSION DRIVE SOFTWARE#
Software utilities and reformatting cannot fix a physical problem with the drive. If you can’t copy your files off the drive, it may be time to look into recovery options.) (Even if this works, be aware that your drive is likely living on borrowed time. Otherwise, reformatting the drive may help. Your disk has a problem that First Aid cannot repair: If First Aid finds a problem but cannot repair it, you can try a third-party repair utility, such as Alsoft’s $100 DiskWarrior, which is even compatible with Apple’s new Fusion drive.
After that, reboot from the repaired drive and hope that all is fine now. Conventional wisdom says to select Repair Disk a second time before quitting Disk Utility, just to be certain that no further repairs are needed. Your disk has a problem but First Aid repairs it: If First Aid reports a problem and is able to repair it, that’s the likely end of the story. Instead, boot from the drive directly, as I just described. However, if you are using a cloned drive, I wouldn’t bother with its Recovery HD partition in any case. If you used Bombich Software’s $40 Carbon Copy Cloner, it should. If you used Shirt Pocket’s $28 SuperDuper to make a clone, the clone will likely not have the Recovery HD partition. You may be wondering: “Does my clone drive include a Recovery HD partition? Could I start up from that partition instead?” Maybe. When startup is complete, you’ll find Disk Utility in the /Applications/Utilities folder, just as it is on your original drive. From the screen that appears, select the cloned drive. To do so, restart while holding down the Option key. If you created a clone of your startup drive, you can boot from the clone and run Disk Utility from there. Launch Disk Utility, choose your startup drive in the list, and select Repair Disk. Once booted, things should work nearly identically to starting up from the Recovery HD partition. From the screen that appears, select the emergency drive. Restart while holding down the Option key. If you previously created an emergency drive (see “Mac troubleshooting: Be prepared for hard-drive failure”), now is the time to use it.
#BOOT IN TARGET DISK MODE HOW ACCESS SSD FUSION DRIVE MAC#
In either case, it’s time to move on to the next repair attempts.īoot from your emergency drive If you’ve prepared ahead, you can boot your Mac from your emergency flash drive and perform repairs.
If you are unable to boot Recovery HD via either of these methods, it means there is no Recovery HD partition on your drive or your drive is too damaged to allow successful booting from the partition. From Recovery HD, you can also browse the Web for troubleshooting info using Safari as well as erase your startup drive and restore its contents from a Time Machine backup. You should now be able to select Repair Disk for that drive. Open Disk Utility and locate the name of your startup drive. If you are able to boot from Recovery HD, Disk Utility will be one of its four main options. To be able to repair your normal startup drive, choose the Recovery drive (Recovery-10.8.1 here) from the Startup Manager. Boot your Mac from Recovery HD by holding down Command-R at startup (or by choosing it from within Startup Manager, which you access by holding down Option at startup). This 650MB partition is called Recovery HD. The startup drives of Macs formatted with OS X 10.7 (Lion) or 10.8 (Mountain Lion) typically have a hidden partition designed just for moments like this. Boot from the startup drive’s Recovery HD partition