How to Perform Apple Diagnostics to Uncover and Fix Hardware Problems
January — Apple Service Diagnostic 1. July — Apple Hardware Test for iMac version 1. October — Apple Hardware Test for iBook version 1.
March — MacTest Pro G3, version 7. August — Apple Service Diagnostic v 2.
May — Apple Service Diagnostic v 2. October — Apple Service Diagnostic — v2.
You can use it to check if there are serious hardware issues to deal with. We will teach you how below. Not all Mac models can run the Internet-based Apple hardware test.
How to use Apple's hardware diagnostics to find and fix Mac glitches
Other Macs manufactured after can use the latest version of the Apple hardware test, which is called the Apple Diagnostics test. As for the only Mac models that can use the web-based version of the Apple hardware test are as follows:.
It is important to note that the mid through early Mac models may require to update the EFI firmware before you can run the web-based Apple Hardware Test. If you are uncertain if you need to update the EFI firmware or not, you can do the following:.
As soon as you have verified and confirmed that your Mac is capable of running the Internet-based Apple Hardware Test, you can start using it. These error codes generated by the Apple Hardware Test seem to be cryptic, and in some cases, only certified Apple service technicians can understand them. If no error was found after the test and your Mac is still experiencing problems, then you can check your system.
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