Meanwhile Data Recovery offers several methods of data recovery from corrupted drives while a feature called Trash History can track the location of deleted files. In summary: if your goal is to be ready for a disaster and spend little money, you should better take a look at all the free and/or open-source tools available. TechTool Pro performs also optimizes via file optimization and volume optimization consolidates the free space on a hard drive. HTTP download also available at fast speeds. Look at the free version of for an example.įurthermore, when you will REALLY need tools is when the drive hardware starts to fail, and then I doubt any of these tools will help you - but there are again free tools which will work (like dd_rescue). Download TechTool Pro 12.0.2 Build 5730 Multilingual macOS or any other file from Applications category. Choose Volume Rebuild and select your disk, then click Run Volume Rebuild to start repairing. That's BS if you want to check RAM, you better check as much of it as possible, and for that you'll probably have to restart in Single User Mode, so only minimal RAM is busy. Download and install Techtool Pro 12 on your mac. Emergency Startup Disk If your startup disk stops working, and you need another startup disk, Techtool Pro’s eDrive steps in to help. As a particular example, TechToolPro checks 'free RAM'. Most drive problems, however, result from data being in the wrong place, and can be repaired using Techtool Pro’s Volume Rebuild tool. No idea how it has evolved since then, though.Īnyway, I just took a look at both TechToolPro and Disk Drill Pro and both seem to mostly do things that free tools do. TechToolPro discounted? Ha! I wonder why.Īs for DiskWarrior: again, I used it loooong ago, but it was really solid and saved me a couple of times. There were free tools doing far better most of what the paid TechToolPro theoretically should do. TechTool Pro is unique in that it can check the mechanical and electronic aspects of a drive, as well as repair the volume structures. It was such an useless, bloated, even scammy thing, that I never even considered them again. In case it helps: I used TechToolPro a couple of times looong ago, still on what we now call 'classic Mac OS' (pre-OS X). The volume structures test in Techtool Pro can be used to identify this damage, while the Volume Rebuild tool can be used to repair it.

Techtool pro volume rebuild