![]() ![]() Sectors are basically blocks of space on a disk drive.īad sectors are blocks that are damaged thus cannot be read. ![]() Stellar Drive Toolbox is an all-in-one app includes a number of disk utilities (optimization, protection, sanitization, repair, and more) that help keep your Mac hard drive in good shape.īest of all, it can health check your Mac hard drive for bad sectors. Best for: checking Mac hard drive for bad sectors.In addition, you can use CleanMyMac to do a number of other things like finding old & large files, clearing up Photos/iTunes junk, removing extensions, uninstalling Mac apps in batch, and more. To verify your Mac’s startup disk, all you have to do is open the app, go to Maintenance > Verify Startup Disk and click “Run”. #SSD TESTING SOFTWARE MAC FREE#The app deep scans and cleans your Mac system and can free up tons of disk space. #SSD TESTING SOFTWARE MAC FULL#Price: free trial available ($89.95 to buy)ĬleanMyMac is mainly used to help make more room on your almost full hard drive (or SSD).Best for: verifying and repairing startup disk on Mac.Note: For OS X Yosemite or older versions, use the two buttons on the right corner “Verify Disk” and “Repair Disk” instead. If your Mac is with OS X El Capitan, macOS Sierra or latest High Sierra, select Macintosh HD on the left and click on First Aid.Ī new window will pop up asking you whether you’d like to run, just hit yes to continue. If your budget allows, consider upgrading to an SSD. Otherwise, you may need to replace it right away. If it shows “Verified”, that means your hard drive is not failing. Highlight the hard disk name on the left, then check the status from the table (see above). S.M.A.R.T helps you get a basic idea of the health of your Mac drive. ![]() SMART (Self-Monitoring Analysis and Reporting Technology) is an internal monitoring system that is included in almost all Mac hard drives (HDDs and SSDs). Status with the built-in Disk Utility on macOS. The first handy thing you can do is check the S.M.A.R.T.
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