The duration of the tests can vary but expect the process to take between two and ten minutes. Apple-certified technicians have access to a more thorough battery of tests called Apple Services Toolkit 2 (AST2). If your MacBook Pro passes all diagnostic tests, but you still suspect a hardware problem, you might need to bring the computer to an Apple store. Apple’s end-user tests are not comprehensive. It is unlikely you will receive a false positive, but just because the utility doesn’t detect any problems doesn’t mean your MacBook Pro is in the clear. Are Apple Diagnostics reliable?Īpple Diagnostics is reliable regarding the tests it performs. Here are some other common questions about Apple Diagnostics. The utility will run a quick self-test, and then you can click Test to run the diagnostics. Once the computer loads AHT, select your language and click on the arrow to proceed. Macs released before June 2013 run an older version of diagnostics called Apple Hardware Test (AHT).
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