Tech Tip: How to Run and Interpret Your Mac’s Built-In Diagnostic Routines
Macs are usually quite hardy, providing service for years without a problem. However, when they start running slowly, crashing, or refusing to boot up, it's time to figure out what's going on. You can easily troubleshoot your Mac to see whether the problem is hardware related, and to do that, there's no better way than using the tools built right...




