Launching this also follows the same procedures as with launching Apple Diagnostics.
Some will tell you to rerun the test, contact Apple Support, or take your Mac to the nearest Apple Store or Apple Service Provider for assistance.įurthermore, for devices launched before June 2013, use the Apple Hardware Test instead, which is basically the older version of Apple Diagnostics*. Only by checking the meaning of the codes will you know what to do next. If your test came back with issues and reference codes, you could cross-reference the codes with the codes on this list.
At this point, you can choose to “ Run the test again” by pressing Command + R get more information, including service and support options, by clicking “ Get started” or pressing Command + G restart your Mac normally by clicking Restart or pressing R or shut down your Mac by clicking Shut Down or pressing S. Take note of the reference codes before you proceed. You will get either a “ No issues found” message or a list of issues with their corresponding codes. The diagnostics will run for 2 to 3 minutes. Once the language is successfully selected, testing will begin. However, the system may automatically connect to a known and secure network, and this step will be skipped altogether if you do have an Ethernet connection. If you don’t have an Ethernet connection, you might be asked to connect to a Wi-Fi network if the diagnostic image can’t be pulled itself. Use the navigation/arrow keys on your keyboard to select your language, then press Return/Enter. Keep holding the key until the option to select language appears. Immediately press and hold D on your keyboard. Once completely turned off, turn your Mac on again. Make sure the area has sufficient ventilation. Make sure your Mac is on a flat, stable, and hard surface. Disconnect all external devices aside from the mouse, keyboard and display (for Mac desktops), Ethernet connection (if applicable), and AC power connection. To get started, launch Apple Diagnostics by doing the following: This is mainly designed to help determine which specific hardware component may be needing attention. The First Step: Apple DiagnosticsĪpple Diagnostics is a built-in utility available for Macs introduced in June 2013 and later. We also suggest scanning your Mac through Tweakbit MacRepair first, to reduce junk files and get an extra RAM boost. It’s imperative that you have one or more backups of your computer so you can recover all of your data if any of it gets lost during the process. 
With this article, we will guide you to performing a Mac hardware test that checks to verify if your Mac’s hardware components are all working correctly, even if it’s not showing any signs of problems but bear in mind that testing your Mac for hardware errors can put stress on your system. All you need to keep in mind is that just because everything seems to be running smoothly, it does not necessarily mean that everything is problem-free. And if you are a Mac user, you’re probably under the impression that you have a very secure and reliable machine, think again because while this is true for the most part, a lot of things can still go wrong with your device’s components.
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Understand that every computing device, may it be your desktop computer, laptop, or mobile phone, consists of both hardware and software components.
Rarely do we take the time to check our computers and other devices for issues and the problem with checking your computer only when you notice a problem is that sometimes, it’s already too late. We only check our devices whenever we notice unusual activity or they perform unsatisfactorily. DriveDx will protect you from data loss and downtime!
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