Apple Diagnostics

A built-in hardware diagnostic tool that runs outside of macOS to test Mac components for hardware failures.

What to Know

Apple Diagnostics provides definitive hardware test results that determine whether a Mac issue stems from faulty hardware or software configuration problems. This distinction is critical for warranty claims, AppleCare service authorization, and avoiding unnecessary software troubleshooting when hardware replacement is required. The tool generates reference codes that Apple Support and Genius Bar staff use to identify specific component failures, streamlining repair processes and ensuring appropriate service coverage.

Common Scenarios

Enterprise IT: IT departments run Apple Diagnostics on Macs exhibiting intermittent crashes, display issues, or performance problems to determine if the device needs hardware service or software remediation. The diagnostic reference codes provide clear documentation for warranty claims and justify device replacement requests to procurement teams.

MSP: MSPs use Apple Diagnostics to quickly triage client-reported Mac issues and determine whether to attempt remote software fixes or schedule on-site hardware service. This prevents wasted billable hours troubleshooting software when a hardware fault is the root cause, and provides clients with concrete evidence supporting hardware replacement recommendations.

Education: School IT staff run Apple Diagnostics on student or staff Macs before sending devices for repair to verify hardware faults and obtain reference codes required for AppleCare service claims. This ensures devices aren’t sent for repair unnecessarily and provides documentation for tracking hardware failure rates across the fleet.

In Addigy

While Apple Diagnostics runs independently of MDM, Addigy’s remote management capabilities allow IT to guide end users through the diagnostic process via Remote Desktop or by deploying instructions through notifications. Addigy’s device inventory also tracks hardware serial numbers and warranty status, helping admins correlate diagnostic results with AppleCare eligibility before initiating service requests.