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.

OS X’s Disk Utility—which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)—is good for what it does. Yet for ...

Disk partitions can be a good way to keep personal and system data separate or useful if you want to run Windows alongside macOS. Setting them up can be a bit tricky, so it’s a good idea to use ...

Apple's macOS, through UNIX, provides a variety of tools to keep your drives healthy, with one of them being the fsck Terminal command. Here's how to use it. fsck, or "file system consistency check," ...

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 ...

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 ...

I’ve put together an essential foundation document for Mac users who may sometimes try to help support friends and family. Still having problems? Restart the Mac holding down Command-R to enter Disk ...

10 macOS tune-up tips to keep your Mac running like a sports car Your email has been sent Image: Apple Must-read Apple coverage Nearly 7 in 10 iPhone Owners Plan ...

Although .dmg is a macOS disk format, there are a number reasons of why you'd want open them on Windows computers. Here's how to get started. The .dmg (Disk Image) suffix is associated with Apple's ...

[Search wasn't working, and google didn't return any satisfactory answers but maybe it's because I'm not quite what to search for....]<BR><BR>I'm running a Powerbook G3 on 10.2.8, and I was getting ...