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They simply take readings on the hardware and present them in a way that’s easier to digest. Neither app makes any changes to your MacBook Pro.

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We recommend EtreCheck and coconutBattery, both of which are free to download and install. The next step is to get a more complete picture of your MacBook Pro’s health using some third-party apps.

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Use third-party software for a full hardware check

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Click here to find out how to do that from Apple’s website.

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Hold these keys while booting up your MacBook Pro to start Apple Diagnostics from the Internet.Īlternatively, you may need to turn off the Firmware password on your computer. This runs the tests over an Internet connection. If Apple Diagnostics or Apple Hardware Test didn’t work, repeat the instructions again but hold option+D when your MacBook Pro boots up instead. Make sure you write down the error codes you get from Apple Diagnostics.

Otherwise, choose to ‘Shut Down’ or ‘Restart’ your MacBook Pro.

If you want to arrange a repair, click ‘Get Started’ and follow the onscreen prompts to book a Genius Bar appointment.

When the tests finish - usually after about ten minutes - make a note of any error codes you get.

Apple Diagnostics begins automatically, but for Apple Hardware Test you need to hit the Return key to start it.

Keep holding D until a screen with languages appears.

Confirm you want to restart your MacBook Pro, then press and hold the D key as soon as the screen goes black.

From the menu bar on your MacBook Pro, go to  > Restart.

How do I run Apple Diagnostics or Apple Hardware Test? A spacious desk is the perfect place to run diagnostics on your MacBook Pro. It’s advisable to connect your MacBook Pro to the power adapter, ensuring it doesn’t run out of battery throughout the diagnostics.įinally, make sure your MacBook Pro is well-ventilated and placed on a hard, flat, and stable surface. Otherwise they may interfere with the tests. Disconnect all external devices from your computer except for a keyboard, mouse, display, or set of speakers. How do I prepare my MacBook Pro for Apple Diagnostics?Īpple Diagnostics only tests the internal hardware on your MacBook Pro.

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Which you can do by holding option while your Mac boots up. Otherwise, you need to use the disc or USB flash drive that came with your Mac. If your MacBook Pro is running OS X 10.8.4 (Mountain Lion) or later, you can run Apple Hardware Test using the Apple Diagnostics instructions below. Apple Hardware Test was introduced with OS X Mountain Lion.Īpple Hardware Test is essentially an older version of Apple Diagnostics it checks each internal component on your MacBook Pro looking for any issues. If your MacBook Pro is from before 2013, you can use Apple Hardware Test instead of Apple Diagnostics. You can check the year your MacBook Pro came out by going to  > About This Mac. What if my MacBook Pro is from before 2013? It checks all the internal hardware in your MacBook Pro, testing for issues with the logic board, memory, Wi-Fi card and other components.Īfter the diagnostic checks are complete, Apple Diagnostics gives you a list of error codes - if any - and presents a link to get in touch with Apple Support. Run Apple Diagnostics on your MacBook ProĪpple Diagnostics is built into every Mac from 2013 or later. Go to File > Print from the menu bar in your web browser to print this page. Once you start the diagnostics below you won’t be able read this again until they’re finished.

If you’re reading these instructions on your MacBook Pro, we suggest you print them out or load it on a different device. Print these instructions Print these instruction so you can follow them without using your MacBook Pro.

Why can’t my MacBook Pro trackpad click?.

Fix a MacBook that keeps powering off or restarting randomly.

How to fix a Mac that won’t boot or gets stuck on the loading bar.

Fixing a malfunctioning ‘power chime’ on Mac and MacBook devices.

Battery recall program: Your 15-inch MacBook Pro might pose a fire risk.

Book your MacBook Pro in for a hardware repair if needed.

repairing the hard disk in Disk Utility.

Run EtreCheck and coconutBattery for extra diagnostic information.

Run Apple Diagnostics by holding D while booting up your MacBook Pro.

We’ve explained everything in full detail below: Here’s an outline of how to run hardware diagnostics on your MacBook Pro. Reset the PRAM, NVRAM, and SMC on your MacBook Pro

How do I run Apple Diagnostics or Apple Hardware Test?.

How do I prepare my MacBook Pro for Apple Diagnostics?.

What if my MacBook Pro is from before 2013?.

Run Apple Diagnostics on your MacBook Pro

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