Sparse disk image data loss Since we posted a reader report yesterday that claimed restarting or shutting down while a sparse disk image is mounted leads to data corruption on the disk image, we've ...

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 ...

Discover simple fixes for common Mac issues. Learn how to troubleshoot top MacBook problems, improve performance, battery life, Wi‑Fi, storage, and keep your Mac running smoothly.

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 ...

What to do if you have an incomplete update In some cases, your Mac OS X 10.4.3 installation may fail part-way through, or you may received an error message ...

Macs are known to run without hiccups, but sometimes even they have bad days. If your Mac is frozen or freezes more often than usual, there are several methods to unfreeze a frozen Mac. In most cases, ...

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 ...

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 ...