Repair Disk isn’t the first option you should choose if your Mac is ailing, but it is helpful when (for example): Performance has degraded Data is missing You are experiencing degraded system ...

Perform low-level disk repair and file recovery–from a command prompt or DOS box–with this handy pair of utilities. If you’re a fan of character-based interfaces–such as DOS–and free data recovery, ...

OS X offers a very nice graphical user interface to verify and repair your hard drive, located in the Utilities folder. It’s called Disk Utility, and you can use it as the first line of defense when ...

Your Mac has begun showing signs of trouble. Perhaps you frequently get errors when trying to open or save files. You suspect a problem with the hard drive. Before panic sets in, you want to launch ...