Today, most vehicles have four-wheel disc brakes. Others have disc brakes on the front wheels and drum brakes on the rear wheels. You should check disc brakes (see Figure 15-6) and disc brake linings ...

It won't cure all of your Mac's ills, but a quick and easy first step toward bringing a sluggish Mac back to health is using OS X's Disk Utility to repair disk permissions. Matt Elliott Senior Editor ...

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 ...

For the most part, Macs don’t crash as much as other computers. One reason for that is that the Mac doesn’t have to contend with an unpredictable mix of hardware and software: OS X is highly optimised ...