And put the drive in a draw while hoping they don’t need to see it again until they need to add another OS X installer version to that drive. On that drive they should create a bootable OS X installer drive for OS X. A bootable driveĮvery Mac user should invest in a high-capacity USB 3.0 flash drive. Don’t stay there for hours, if this doesn’t happen within a few minutes it’s reasonable to assume it won’t work. Keep those keys depressed until you see a globe symbol and progress bar appear. Restart your Mac and hold Option-Command-R when the start up chime chimes. The sequence is similar to the way you usually access Recovery, with the addition of the Option key. If you can get your Mac online you can try Internet Recovery, though this requires you to download a hefty chunk of data and takes time. (For an idea of what these applications can do, read this excellent article which remains relevant to OS X El Capitan). Among other things they can create a complete copy (Disk Image) of your Mac, restore that image once you’ve repaired your Mac, and let you startup from the external drive the backups are stored on.
You should now be able to choose the Recovery Drive to launch your Mac.īackup software Carbon Copy Cloner and SuperDuper are both great tools for creating Mac backups.Wait a few moments and the now connected Time Machine drive should appear (you may need a password).
Hold Option when the startup chime sounds.
#What to do if you cant access your destination in restore for disk utilities on mac how to
This is how to use your Time Machine backup to access Recovery Mode: This may sometimes be the only way to get to fix (or at least rescue data) from your Mac, particularly when you can’t get it online or its drive has become damaged. If you do have a connected external drive with a Time Machine backup then you can use Recovery Mode from the backup. You keep backups don’t you? You really should.
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