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In this article, weve explained how to run a complete diagnostics test on your MacBook Pro hardware.

In which case, you need to contact Apple Support to make an appointment at a Genius Bar or at an Apple Authorized Service Provider.

That means you can fix it yourself, for free Weve shown you how to do that in this article as well.

Run Apple Diagnostics on your MacBook Pro 3.1 What if my MacBook Pro is from before 2013 3.2 How do I prepare my MacBook Pro for Apple Diagnostics 3.3 How do I run Apple Diagnostics or Apple Hardware Test 3.4 What if the diagnostics didnt work 4 Step 2.

Use third-party software for a full hardware check 4.1 What does EtreCheck do 4.2 What does coconutBattery do 5 Step 3.

Clear more space on your hard disk 5.3 3.

Reduce the number of Login Items 5.4 4.

Repair your drive using Disk Utility 5.5 5.

Failing all else, reinstall macOS 6 Step 4.

If youre reading these instructions on your MacBook Pro, we suggest you print them out or load it on a different device.

Once you start the diagnostics below you wont be able read this again until theyre finished.

It checks all the internal hardware in your MacBook Pro, testing for issues with the logic board, memory, Wi-Fi card and other components.

If your MacBook Pro is from before 2013, you can use Apple Hardware Test instead of Apple Diagnostics.

Apple Hardware Test is essentially an older version of Apple Diagnostics; it checks each internal component on your MacBook Pro looking for any issues.

Disconnect all external devices from your computer except for a keyboard, mouse, display, or set of speakers.

Alternatively, you may need to turn off the Firmware password on your computer.

We recommend EtreCheck and coconutBattery, both of which are free to download and install.

They simply take readings on the hardware and present them in a way thats easier to digest.

Based on this information, EtreCheck might diagnose a lack of RAM, an adware infestation, a failing hard disk, or several of other potential issues.

We recommend you download it from the website, since it isnt limited by the same restrictions as the Mac App Store version.

After the download finishes, use Finder to drag and drop EtreCheck from your Downloads folder to your Applications folder.

This app shows you up-to-date information about the battery in your MacBook Pro, including the number of charge cycles, the current maximum capacity, and the original maximum capacity.

Helping you to decide if its worthwhile replacing your battery or not.

There is a Plus version of the app available, but the free app should be all you need.

After the download completes, use Finder to drag and drop coconutBattery from your Downloads folder to your Applications folder.

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