When Troubleshooting Fails: What Apple Diagnostics Can't Fix The recent update on accessing Apple Diagnostics has shed light on the tool's capabilities and limitations.
While it can help identify potential hardware faults, its usefulness in resolving issues is often misunderstood. A clean test result from Apple Diagnostics doesn't necessarily mean your MacBook has no problems.
It simply means that the diagnostic tool didn't identify any issues with the hardware it checked. Software, external accessories, or other causes can still be responsible for malfunctioning behavior.