“Apple’s Macs are usually pretty reliable,” Jonny Evans writes for Computerworld, “but when they do go wrong the Apple Diagnostics tool should help you figure out if you have a software or a hardware problem, but you need to know a few things to understand what it says.”
“Apple Diagnostics is designed to put your hardware through a variety of tests designed to detect power supply, battery, graphics, logic board, USB and a huge range of other potential problems. While this test doesn’t cover every eventuality, it’s very good at identifying the most frequent hardware problems you can get using a Mac.”
“You access these tests using a keyboard shortcut when you startup your Mac,” Evans writes. “They are also available via the Internet.”
“The diagnostics code every Mac user should want to see is ADP000. It means no issues have been found,” Evans writes. “That’s good news as it suggests the problem you may be experiencing is not hardware-based.”
Read more in the full article here.
MacDailyNews Take: If you experience an issue with your Mac, the Apple Diagnostics tool can be invaluable.