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 ...

Defragmentation and disk optimization in Mac OS X collectively represent an issue nearly as contentious as the debate over repairing disk permissions -- one camp argues that utilties purportedly ...

hello, all,<BR><BR>we've seen a number of threads here about the different disk utilities available for OS X, but there hasn't been an attempt to centralize all the information, tips, and horror ...

While Apple Computer Inc.s new “Jaguar” (Version 10.2) upgrade for Mac OS X adds a number of new features, one longstanding component will be missing: an installation disk for Mac OS 9. OS 9 has been ...

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 ...

Mac OS X Mountain Lion gives users several ways to access the Terminal and three common options for formatting a hard drive. You can launch Terminal within Mac OS X to format hard drives currently not ...

Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

Despite Apple’s best efforts, you can make a bootable install disk of Mac OS X Lion… but it’s not for the faint-hearted, or those who aren’t tech inclined. Luckily, there’s an even easier way to make ...

Currently the drives are in spanned RAID mode, from what I can gather from the Command+R > Disk Utility read out. It says that it's got a 1.5TB hard disk, when there are 3x 500GB drives physically ...

It is oh-so-tempting to just pull that flash drive out of your USB port when you’re done with it. But resist the urge! Unceremoniously disconnecting an external drive from your Mac can result in all ...

A major feature that debuted in Lion (OS X 10.7) and continues in Mountain Lion (OS X 10.8) is one I hope you’ll never need to use: recovery mode, officially called OS X Recovery. (It was called Lion ...

The MoKB (Month of Kernel Bugs) has posted details of a critical flaw in the AppleDiskImageController for Mac OS X along with the proof-of-concept. This exploit can trigger kernel-mode arbitrary code ...