Computers tend to fail in predictable ways. Especially when it comes to hardware, certain types of failure can cause programmatically-detectable signals that reveal the cause of the problem. Diagnostic programs that can accomplish this process are typically only available to authorized shops. Except that’s not really true: you can use Apple Diagnostics to access Apple’s diagnostics package from any Mac. What Is Apple Diagnostics? Apple Diagnostics is a diagnostic tool built into every Mac. It can run diagnosis algorithms on your Mac’s hardware without visiting the Apple Store. You can use it to search for problems in all of the Mac’s major systems, from… Read more