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.

When your MacBook hangs at startup, it could indicate a hardware- or software-related issue. Hardware-related issues can be detected by running Disk Utility. If your hard drive is failing, you should ...

Last week I wrote a few tips about disk encryption, but I didn’t write about what to do with the startup disk on your Mac. I cannot think of any reason you shouldn’t encrypt your startup disk after ...

Clues to the causes of Mac startup problems can be found by analyzing when in the boot process the system fails. Problems may be related to the power supply, battery, hard drive, logic board, OS ...

Need to reboot you Mac to access a new startup disc or launch with safe mode enabled so you can troubleshoot problems with OS X? Then read on for this handy list of startup options for Mac OS X ...

Last week, I posted a video on how-to create an SD card startup disk for the new MacBook Pros, the ones with the built-in SD card slot. I got several e-mail responses to that video, all of them asking ...

James Duff reports routinely inaccurate reporting of OS version numbers through Mac OS 9's Startup Disk control panel: "In a nutshell, my Startup Disk control panel reports the wrong system version in ...