Today’s computers are a lot more stable than they used to be, especially hard drives. But back 10 years ago I wouldn’t think of going without a bootable disk diagnostic and repair utility. My choice was TechTool Pro. Now in version 5, this tool is worth having around, especially if you maintain more than one Mac. It can be used to run complete diagnostics on a system, repair your hard drive, and even recover lost files.
Related: Restoring iWeb files, Mac HDs vs. (DELL) PC HDs?!, SD card data recovery: Free/low-cost solution?, time machine problem, Media Drive – journaled or not?.
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