When it comes to laptops, Apple's lineup has become much more streamlined with the introduction of the Macbook Pro®. MacBook® devices were also the first to make tech, such as multi-touch trackpads, backlit keyboards and IPS display screens, go mainstream in the laptop world. When you're done, choose Restart or Shut Down from the Apple menu.The laptops that Apple® produces have for a long time been revered as the gold standard when discussing laptop machines. Your Mac will restart and open a webpage with more information. Then click Get started or press Command-G. To get more information about your service and support options, make sure that your Mac is connected to the internet. To repeat the test, click Run the test again or press Command-R. When it's finished testing your machine, the results will be shown, including one or more reference codes to help you identify any potential issues (refer to Apple's support page to learn more about reference codes). Release the D key when you see a progress bar or you're asked to choose a language.Īfter you've followed the above steps, Apple Diagnostics will begin to run on your Mac.Press the power button to turn on your Mac, then immediately press and hold the D key on your keyboard as your Mac starts up.How to Use Apple Diagnostics on an Intel Mac Press the Command-D key combination on your keyboard.Release the power button when you see the startup options window (you'll see the internal disk icon and a gear icon labeled Options).Turn on your Mac and continue to press and hold the power button as your Mac starts up.
How to Use Apple Diagnostics on an Apple silicon Mac Make sure your Mac is connected to a power outlet, then follow the steps below for your type of Mac. Apple Diagnostics can also suggest solutions and get you in touch with Apple Support for additional help.īefore you use Apple Diagnostics, make sure your Mac is shut down (choose Apple menu -> Shut Down from the menu bar) then disconnect all external devices except for the keyboard, mouse, display, and any Ethernet connection if you have one. If you think your Mac has a hardware problem, you can use Apple Diagnostics to help you determine which hardware component might be at fault. This article explains how to use it on Apple silicon Macs and Intel Macs. Formerly known as Apple Hardware Test, Apple Diagnostics is a system-integrated feature on newer Macs running macOS Big Sur and macOS Monterey that can check your Mac for hardware issues.
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