
In most utilities, just the overall results - passed or failed - are reported to the user. SMART Check - Hard drives include a technology called SMART (Self Monitoring, Analysis and Reporting Technology) which can inform a computer about the health of its hard drives.The Partition Repair tool does just what it says, repairing the partition maps or drives where needed. This includes hidden partitions which keep track of your Mac's startup process.
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Partition Repair - Along with Volume Rebuild, which repairs Mac file systems, the Partition Repair tool repairs the remaining portions of the drive which keeps track of the volumes on your hard drive.If errors are found, they can be repaired usin the Partition Repair tool. Partition map errors can cause entire volumes to go missing, or prevent a Mac from booting. The new Partition Map test checks the partition map of a given drive for errors. It is important also to test the data structures that contain the Mac's file system: the Partition Map.
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But only you can decide whether the cost of it is worth it for you or not, especially if you're planning on upgrading in the near future.Īs an aside, in a 2010 iMac you may be better off just replacing the hard drive, especially if it still has its original drive in it.įrom memory, if it's a 21" model it wouldn't have had the option of an SSD, so the money you'd spend on TTP may be much better spent on an SSD. In fact, Apple even used to provide a cut down version of it to users who paid extra for AppleCare coverage. TechTool Pro is generally an excellent product (it hasn't had a 'perfect' history, but overall it's been quite positive). That is, Disk Utility performs a number of disk-related tasks, whereas TechTool Pro performs all these and a lot of other types of tasks as well.Īs for whether TechTool Pro will help you determine what is wrong with your Mac, the best guess anyone here is going to give you is "Maybe." It's somewhat akin to comparing a butter knife to a Swiss army knife. In fact, in many ways they're not really comparable products. As far as the main question (in your title), yes, TechTool Pro does a lot more than Disk Utility does.
