10/18/2021 0 Comments Hard Drive Repair Utility For Mac
Perhaps you frequently get errors when trying to open or save files. Perhaps your Macs disc is beyond repair and Recovery Mode inaccessible.Your Mac has begun showing signs of trouble. I can browse my external hard drive and see that the system image is there. Disk Utility can fix certain disk problemsfor example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t. Repair a storage device in Disk Utility on Mac Disk Utility can check for and fix errors related to the formatting and directory structure of a Mac storage device.One problem though: Repair Disk is dimmed and you can’t select it. Hopefully, that will remedy the situation. Before panic sets in, you want to launch Apple’s Disk Utility and select Repair Disk from the First Aid tab.
Hard Drive Repair Utility Mac Has BegunSelect the USB drive in the menu found on the left. But let’s assume it doesn’t.Open Spotlight (Command + Space). You can still use Repair Permissions, which may help in certain situations. ![]() You can try each method until you find one that works:Boot from the startup drive’s Recovery HD partitionThe 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. When you’re done backing up, here are the things to try. Instead, back up to a separate drive. At this point, you don’t want to overwrite an existing backup—lest you replace valid data with corrupted data. 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.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. You should now be able to select Repair Disk for that drive. Open Disk Utility and locate the name of your startup drive. 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).To be able to repair your normal startup drive, choose the Recovery drive (Recovery-10.8.1 here) from the Startup Manager.If you are able to boot from Recovery HD, Disk Utility will be one of its four main options. ![]() 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. Acrobat for my macRun Disk Utilityfrom there.I would use this method only if you can’t boot from the standard Recovery HD partition. Still, if your problems vanish after doing a Safe Boot (and restarting again normally), you can assume that success was likely.Internet Recovery mode uses a combination of code stored in your Mac’s firmware and a net-boot image stored on Apple’s servers to boot your Mac.The startup screen that appears when you start up in Internet Recovery mode.To enter Internet Recovery mode, hold down the Command-Option-R keys at startup. A downside of this method is that you get no feedback as to whether or not the repair succeeded. According to Apple, a Safe Boot “forces a directory check of the startup volume.” This is essentially the same thing as running First Aid’s Repair Disk. However, if you find yourself with no other option, an Apple support article details exactly what to do.You’ve finally found at least one way to attempt a disk repair with Disk Utility’s First Aid or its equivalent. This method should almost never be necessary. Also, note that Internet Recovery will not work with older Mac models.You can do a disk repair attempt by starting up in Single User mode (holding down Command-S at startup) and running Unix’s fsck command. Depending on the speed of your Internet connection, this can take anywhere from about 5 minutes to more than 30 minutes. (Even if this works, be aware that your drive is likely living on borrowed time. Otherwise, reformatting the drive may help. After that, reboot from the repaired drive and hope that all is fine now.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. Conventional wisdom says to select Repair Disk a second time before quitting Disk Utility, just to be certain that no further repairs are needed. For details on how to do this, see “Should you do a ‘clean install’ of Lion?” The advice still applies for Mountain Lion.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. Ultimately, in a worst-case scenario, a fix could require reformatting your drive, reinstalling a fresh copy of OS X, and restoring your data from a backup.
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