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 ...

Disk Utility has stayed more or less the same for years, but Apple has given the Mac power user’s much-loved maintenance tool a big overhaul in El Capitan, making it look different and removing ...

We previously noted several limitations of Mac OS X 10.3's Disk Utility, which is supposed to replicate much of the functionality present in Mac OS X 10.2's Disk Copy. Among the noted limitations are ...

New version of Disk Utility can fix "overlapped extent allocation" errors As noted in Knowledge Base article #25770, the version of Disk Utility (10.5.1) included with Mac OS X 10.4.2 can fixed ...