This includes Fusion and Time Machine disks.ģ) Apple File System (APFS) disks are not recognized by DiskWarrior 5.0 and will not appear in the list of disks.Ĥ) Due to the ever enhancing security of macOS you will need to first "Allow" the system extension portion of DiskWarrior to be loaded on your Mac. He now turned to DiskWarrior and the drive was quickly back in business.Using DiskWarrior 5.0 while started (booted) from macOS 10.13 High Sierra.ġ) DiskWarrior 5.0 is compatible with macOS 10.13 High Sierra.Ģ) Mac OS Extended (HFS Plus) disks can be rebuilt as before. Disk Utility reported the drive was fine and so it fixed nothing. After relating my success with DiskWarrior toĬhuck Joiner, he informed me that he had an external Thunderbolt drive that would not show up in the Finder. Sure enough, when I restarted the drive, it worked! The drive has been performing flawlessly ever since. DiskWarrior whirred away for a bit and then claimed to have succeeded. Unlike Disk Utility, it offered to rebuild and replace the damaged directory. I launched DiskWarrior and it reported that my startup drive had problems. While that was encouraging, I remained skeptical.ĭiskWarrior stands ready to rebuild a drive’s directory.īy now, I’m sure you can see where this is heading. The Alsoft webpage clearly stated that DiskWarrior worked with Mavericks. With all the changes that have taken place is OS X over this period of time, could such an “elderly” utility still be a viable troubleshooting tool? Had the developers had abandoned the program? Apparently not. Theīase 4.0 version dated all the way back to 2006. A more troublesome indicator was that the currentĤ.4 version of DiskWarrior was released in 2011. Right off the bat, I wasn’t encouraged that the home page design seemed almost identical to how it appeared years ago. I checked the Alsoft website for compatibility. My startup disk was an SSD running Mavericks (OS X 10.9). This is key to why it’s often more successful than other utilities (such as Disk Utility).” I wasn’t at all confident that this meant that DiskWarrior would fix my drive now. I had written previously: “DiskWarrior works by completely rebuilding the drive directory rather than attempting to repair an existing one. Still, I would prefer to avoid this time-consuming step. I was now thinking that I would instead have to reformat the problem drive, as Disk Utility recommended. It confirmed that the drive had problems, but said they “could not be repaired.”ĭisk Utility was unable to repair my drive and suggested I reformat the drive instead.Īpparently, I didn’t need a new power supply. From here, I ran Disk Utility’s First Aid. I restarted while holding down the Option key. But before going down that road, I attempted a software fix. My first thought was that this was a hardware problem, probably with the power supply. It didn’t matter if I started up normally or via a Safe Boot. This continued to happen with each restart. Rather, the Mac powered off just as if I had selected Shut Down. It wasn’t merely that the display went black or that the Mac went to sleep. About 10 seconds after the Apple logo appeared, the Mac shut itself off. After a system-wide freeze forced me to do a hard restart, I could no longer get my Mac to boot. I found out the answer when the startup drive in my 2009 Mac Pro inexplicably developed a bizarre symptom a few weeks ago. “So who needs DiskWarrior anymore?” I found myself asking. If it can’t, it typically means either the drive needs to be reformatted or it has a hardware problem and needs to be replaced. And First Aid is usually capable of fixing whatever is ailing my drive. Recovery HD partition built-in to recent Macs, helpful for making repairs to a primary startup disk. It has the convenience of being accessible from the Further, if I do need help, I typically start with the First Aid component of Apple’s Disk Utility. Whereas I could expect to need a disk repair utility at least several times a year back in the 1990’s, problems with my drives almost never happen now. Based on my anecdotal experience, drives and system software are more reliable now than they were years ago. In truth, I have had little use for any disk repair utility over the past several years. While I have been making this recommendation almost since DiskWarrior debuted back in 1998, a recent incident confirmed that it is just as true today. When you have a hard drive that otherwise seems beyond repair, this is the utility you want to have. But don’t dismiss it as a one-trick pony.
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