Step 3) When the repair is unsuccessful, recover data from the drive using a data recovery software for Mac (as explained next). Next, erase the drive and reinstall macOS. Next, erase the drive and reinstall macOS. Built right into OS X, OS X Recovery lets you repair disks or reinstall OS X without the need for a physical disc. The OS X Recovery Disk Assistant lets you create OS X Recovery on an external drive that has all of the same capabilities as the built-in OS X Recovery: reinstall Lion or Mountain Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web with. Mac Hard Drive Recovery. This Mac hard drive recovery software can be launched in macOS Recovery Mode without creating a bootable drive, or software installation.This Mac data recovery software specializes in rescuing files when Mac won't turn on due to macOS/OS X crash or file system errors. Mac hard drive test software - creating the definitive list. Disk Utility, diskutil (FREE, comes with OS) Smartmon Tools (FREE, Open Source) SMARTReporter ($4.95 for commercial version, but an older version is FREE) Scannerz Lite ($21.95) Scannerz with Phoenix and FSE-Lite ($39.95) Disk Tools Pro ($79.99) Disk Warrior ($99.00).
Reset Mac
Free Disk Repair Software Mac Os X 10 11 Download Free
If your Mac is not performing well such as overheating, running slow, or frequent system/app crashes, here is a guide to help you reset Mac without losing data.
Mac Disk Repair Utility
Mac won't turn on
The most complete than ever solutions to 'Mac won't turn on' problem to make your Mac boot past the Apple logo/loading bar/login screen to the desktop successfully.
Forget Mac password
What to do if you forget Mac password? Find solutions to get back your login or admin password to unlock your Mac.
External hard drive is not showing up on Mac
You can't have access to your stored files if external hard drive is not showing up on Mac. It could result from Mac's wrong configurations or disk corruption.
SD card is not working
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An SD card is a handy extended storage medium for digital devices. If the SD card is not working on Mac, all your saved photos and videos will be lost.
Macintosh HD is not mounted
When Macintosh HD is not mounted, the drive is not available for loading up the operating system, resulting in an unbootable Mac. Use iBoysoft Mac data recovery software to rescue Mac files first.