Genuine Apple Parts are critical to a quality repair. All of our technicians receive Apple training and they deliver the same high-quality service with genuine Apple parts and the proper tools, which provided and recommended by Apple, to open and close the device therefor the repairs are backed by Apple. TopTek System (TTS) is an Apple Authorized Service Provider. When you've finished, select Restart or Shut Down from the Apple menu. Find out more about Apple Diagnostics reference codes.įor repeating the test, click “Run the test again” or press Command-R.įor restarting your Mac, click Restart or press R.įor shutting down, click Shut Down or press S.įor getting information about your service and support options, become sure your Mac is connected to the Internet or not, then push” Get started” or press Command-G. Your Mac will restart to a web page with more information. Release when you see a progress bar or you're asked to select a language.Īpple Diagnostics shows a progress bar while it's checking your Mac:Įxactly, when testing is complete, Apple Diagnostics will show the results, including one or more reference codes. Turn on your Mac and then press and hold the D key on your keyboard immediately as your Mac starts up.Release when you see the startup options window, which contains a gear icon labelled Options.Turn on your Mac and continue to click and hold the power button as your Mac starts up.Become sure your Mac is on a flat and stable surface with good ventilation.ĭetermine whether you're using a Mac with Apple silicon, then follow the suitable steps:.Disconnect all external devices except your keyboard, mouse, display, Ethernet connection (if applicable) and connection to mains power.Apple Diagnostics also suggest different ways and solutions to helps you contact Apple Support for assistance. Whenever, you guess your Mac may have a hardware issue, you can use Apple Diagnostics to help determine which hardware component might be at fault. Previously, as you may know Apple Diagnostics, known as Apple Hardware Test, can check your Mac for hardware issues.
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