How to use Apple Diagnostic on your Mac to find Hardware Issues

An easy guide for running Apple Diagnostics on your Mac or Macbook. This can be help fix Mac hardware issues.

Read more on Apple Diagnostics:

Step by step guide:
1. Disconnect all external devices
2. Make sure Mac is balanced on an even surface/table
3. Shut down your Mac.
4. Turn on your Mac, immediately press and hold the D key on your keyboard until you see a screen to choose your language.
5. After it checks your Mac it will display any issues and reference codes.
6. Once finished you can run another test or press Command (⌘)-R. You can find out more information including details by pressing Command-G. To restart your Mac, click Restart or press R. To shut down click Shut Down or press S.

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[Techable-com]

Did a code appear in the diagnostic report? Leave the code below! We will help you fix your Mac!

[Jin_Miyamoto]

for me it takes a long time to load even though I wrote the password from the WLAN

[lucasjuniorproducer]

Hi...Nice video...Do you know why my macbook pro 13" is allways starting and booting on security boot? I allways have to SMC or reset memory to be able to start normally. Thank you very much!. :)

[Tagger]

For my MacBook Pro it just get stuck at the spinning globe after I’ve picked and put my WiFi password! Nothing happens aside of stupid spinning globe

[turkishpostman]

Iam getting an error EFI diagnostic folders cannot found

[monicaannebooks]

Neither D nor Option D works for me. It pulls up the internet recovery instead of

[ItsMeSFSPlayerAndRoblox]

Just press D and thats all no need Option