Disk Utility is Apple's go-to macOS app for finding and repairing common disk errors, but if it's your Mac's internal disk that's the problem, then your Mac might not even start up into macOS.

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 ...

There’s a significant number of Modern Warfare players who started experiencing Disc Read error 3.1 a few months ago. The confusing thing is that the error seems to ...

The process for verifying disk images changed under Mac OS X 10.4.9 and later, becoming more stringent. As as result, many users are receiving the message "The disk image you are opening may be ...