Mac hard drive diagnostic tool4/27/2023 ![]() (Opens in a new window) There is a feature called (S.M.A.R.T.) (Self-Monitoring, Analysis and Reporting Technology) that monitors various drive characteristics in an attempt to detect failed drives. ![]() This means that even if your drive isn’t making weird noises, you should keep an eye on its health every now and then so you can prepare before it dies. ![]() Unless your drive experiences extreme heat or physical trauma, sooner or later it is likely to fail. New For Macos 12) Fix Mac Not Recognize External Hard Drive Newer solid-state drives (SSDs) have no moving parts, but their storage cells are slightly damaged each time you write them, meaning they too will eventually fail (although SSDs are more reliable). On older rotary drives, moving parts such as motors can wear out over time or the drive’s magnetic fields can wear out. This is normal, especially if your drive is more than a few years old. Strange noises, corrupted files, crashes on startup, and freezing transfer speeds all point to the inevitable end. If you make a purchase through an affiliate link, we may earn commissions, which support our testing.Įvery hard drive eventually dies and when it’s nearly dead you see signs. ![]() Mac Hard Drive Diagnostic Tool – Editors independently select and review products.
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