{
  "id": "mba-m1-diagnostics",
  "modelId": "mba-m1",
  "title": "Apple Diagnostics with the right macOS branch",
  "intent": "Capture an Apple silicon diagnostic result and identify exactly which tests ran.",
  "category": "diagnostics",
  "sourceIds": [
    "mac-diagnostics",
    "mac-spec",
    "mac-safety"
  ],
  "diagramId": "laptop-m1-startup",
  "prerequisites": [
    "MacBook Air (M1, 2020) and Apple M1 confirmed",
    "Work saved; macOS version checked if the desktop is accessible"
  ],
  "tools": [
    "Undamaged compatible power connection",
    "A permitted internet connection if requested"
  ],
  "steps": [
    {
      "id": "prepare",
      "text": "Shut down, leave only the permitted keyboard, mouse, display, Ethernet and power connections, and place the Mac on a firm ventilated surface. Record which accessories remain.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "locator": "Prepare your Mac, steps 2–4"
    },
    {
      "id": "options",
      "text": "Hold power/Touch ID until Options appears, then release. Hold Command-D until the Mac restarts. The Intel D-at-startup method is not the M1 entry.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "locator": "Start Apple Diagnostics → Apple silicon; contrast with Intel processor"
    },
    {
      "id": "version",
      "text": "Choose the macOS branch below. Tahoe 26 and later asks which diagnostic to run; earlier macOS starts testing automatically. If the version is unknown, preserve the screen observation and ask Apple which flow applies.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "locator": "Run Apple Diagnostics → macOS Tahoe 26 and later"
    },
    {
      "id": "run",
      "text": "Follow the displayed connection and test prompts. If an offline option is offered, Apple directs you to use it unless support initiated an online session. On 26+, record the selected test as well as its result.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "locator": "Run Apple Diagnostics → connection, terms and test selection"
    },
    {
      "id": "result",
      "text": "Retain any reference code for Apple. Distinguish a completed test, an interrupted test, and a symptom that remains after a completed test. A result covers the test that ran; include untested conditions in the handoff.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "locator": "View Apple Diagnostics test results"
    }
  ],
  "checks": [
    {
      "id": "safety",
      "question": "Is there swelling, a lifted case or trackpad, liquid damage, smoke, a burning smell, or damaged power equipment?",
      "goal": "Establish whether any powered comparison is safe.",
      "sourceIds": [
        "mac-safety"
      ],
      "options": [
        {
          "id": "safe",
          "label": "No visible danger",
          "next": "entry"
        },
        {
          "id": "danger",
          "label": "Yes, or suspected damage",
          "next": "stop"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "entry",
      "question": "Did this M1 Mac reach Options and restart after Command-D?",
      "goal": "Confirm the correct startup sequence.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "options": [
        {
          "id": "yes",
          "label": "Options and diagnostic restart observed",
          "next": "os-route"
        },
        {
          "id": "no",
          "label": "Options or restart unavailable",
          "next": "service"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "os-route",
      "question": "Which macOS version is installed?",
      "goal": "Select the diagnostic behavior explicitly.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "options": [
        {
          "id": "macos26-plus",
          "label": "macOS Tahoe 26 or later",
          "next": "test-choice"
        },
        {
          "id": "macos-earlier",
          "label": "Earlier macOS",
          "next": "automatic-test"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "test-choice",
      "question": "Did you choose the relevant test offered on the 26-or-later screen?",
      "goal": "Keep a selected test separate from a general scan.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "options": [
        {
          "id": "selected",
          "label": "Test selected; it started",
          "next": "result"
        },
        {
          "id": "unavailable",
          "label": "No suitable test or unexpected screen",
          "next": "attention"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "automatic-test",
      "question": "Did the earlier macOS automatic test run?",
      "goal": "Verify the automatic flow, without inventing a test selector.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "options": [
        {
          "id": "started",
          "label": "Automatic test started",
          "next": "result"
        },
        {
          "id": "not-started",
          "label": "Did not start or could not continue",
          "next": "service"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "result",
      "question": "What did the completed test show?",
      "goal": "Preserve the outcome and unresolved symptom.",
      "sourceIds": [
        "mac-diagnostics"
      ],
      "options": [
        {
          "id": "clear",
          "label": "Completed without an issue; symptom absent now",
          "next": "ready"
        },
        {
          "id": "code",
          "label": "Issue/reference code, or symptom persists",
          "next": "service"
        },
        {
          "id": "interrupted",
          "label": "No completed result",
          "next": "attention"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    }
  ],
  "terminals": {
    "ready": {
      "type": "preparation_saved",
      "title": "Diagnostic result ready",
      "text": "Keep the test scope and result together. Save recurring symptoms even when this test found no issue.",
      "handoff": [
        "Provide macOS branch, entry reached and selected/automatic test.",
        "Bring the result and any later recurrence to the service appointment."
      ]
    },
    "service": {
      "type": "service_needed",
      "title": "Share the diagnostic evidence with Apple",
      "text": "A reference code, an inaccessible diagnostic screen, or a continuing symptom needs Apple review.",
      "handoff": [
        "Provide the last startup screen reached and the macOS branch.",
        "Share the exact reference code directly with Apple and describe the original symptom."
      ]
    },
    "attention": {
      "type": "maintenance_possible",
      "title": "Complete the missing diagnostic step",
      "text": "Confirm the displayed test with Apple before choosing an unrelated test or reporting a pass.",
      "handoff": [
        "Keep selection unavailable, interrupted and not tested distinct.",
        "Record whether power/network or a screen prompt prevented completion."
      ]
    },
    "uncertain": {
      "type": "preparation_saved",
      "title": "Keep the unanswered checks visible",
      "text": "The macOS branch, startup entry, or test result is unconfirmed. Apple needs that distinction before interpreting this record.",
      "handoff": [
        "Provide the last visible startup/diagnostic stage.",
        "Confirm macOS version and which test actually ran.",
        "Keep unperformed conditions marked Not tested. Ask the provider to confirm these before further changes."
      ]
    },
    "stop": {
      "type": "service_needed",
      "title": "Stop the powered checks",
      "text": "Stop using or charging damaged equipment. Keep away from hot or smoking equipment; obtain emergency help for an immediate fire risk. Arrange manufacturer guidance before handling or transport.",
      "handoff": [
        "Tell Apple about the visible damage before arranging a MacBook Air service.",
        "Provide the last visible startup/diagnostic stage.",
        "Do not open the case, remove the battery, press a lifted surface, or continue a test to complete this record."
      ]
    }
  },
  "missing": "The macOS branch, startup entry, or test result is unconfirmed. Apple needs that distinction before interpreting this record.",
  "handoff": [
    "Provide the last visible startup/diagnostic stage.",
    "Confirm macOS version and which test actually ran."
  ],
  "outcomeChecks": [
    "Installed OS and selected or automatic testing are identified.",
    "Completed result is separate from an interrupted or unperformed test."
  ],
  "workflow": {
    "family": "startup-diagnostics",
    "summary": "Record entry, test scope and the result without treating a partial scan as a pass.",
    "osOptions": [
      "macos26-plus",
      "macos-earlier",
      "macos-unknown"
    ],
    "fields": [
      {
        "id": "entry-stage",
        "label": "Furthest visible stage",
        "type": "select",
        "options": [
          {
            "value": "not-checked",
            "label": "Not checked"
          },
          {
            "value": "options",
            "label": "Startup Options"
          },
          {
            "value": "diagnostics",
            "label": "Diagnostics screen"
          },
          {
            "value": "result",
            "label": "Result screen"
          }
        ]
      },
      {
        "id": "test-scope",
        "label": "Diagnostic scope",
        "type": "select",
        "options": [
          {
            "value": "not-checked",
            "label": "Not checked"
          },
          {
            "value": "automatic",
            "label": "Earlier macOS automatic test"
          },
          {
            "value": "display",
            "label": "Selected built-in display test"
          },
          {
            "value": "keyboard",
            "label": "Selected keyboard test"
          },
          {
            "value": "trackpad",
            "label": "Selected trackpad test"
          },
          {
            "value": "other-offered",
            "label": "Another offered test"
          }
        ]
      },
      {
        "id": "diagnostic-result",
        "label": "Result observed",
        "type": "select",
        "options": [
          {
            "value": "not-run",
            "label": "Not run"
          },
          {
            "value": "no-issue",
            "label": "Completed without a reported issue"
          },
          {
            "value": "reference-code",
            "label": "Reference code shown"
          },
          {
            "value": "interrupted",
            "label": "Interrupted / could not finish"
          }
        ]
      }
    ],
    "matrix": {
      "title": "Diagnostic stages",
      "rows": [
        {
          "id": "startup-options",
          "label": "Startup Options",
          "condition": "M1 startup entry with the allowed connections"
        },
        {
          "id": "os-test",
          "label": "OS-appropriate diagnostic",
          "condition": "26+ selected test or earlier automatic test"
        },
        {
          "id": "symptom-return",
          "label": "Original symptom afterward",
          "condition": "Only if the Mac restarts safely and the original action is available"
        }
      ],
      "results": [
        {
          "value": "not-tested",
          "label": "Not tested"
        },
        {
          "value": "works",
          "label": "Works in this condition"
        },
        {
          "value": "fails",
          "label": "Fails in this condition"
        },
        {
          "value": "intermittent",
          "label": "Intermittent"
        },
        {
          "value": "not-applicable",
          "label": "Not applicable"
        }
      ]
    },
    "reportFocus": [
      "Actual OS branch",
      "Diagnostic scope and result",
      "Last accessible screen and remaining symptom"
    ],
    "notDoneGuidance": [
      "An unknown macOS version stops interpretation of the test-selection screen.",
      "Do not mark a test as completed because startup Options appeared."
    ]
  },
  "entityKind": "task",
  "version": "2.0.0",
  "deviceFamily": "laptop",
  "modelApplicability": {
    "id": "mba-m1",
    "name": "MacBook Air M1",
    "family": "laptop",
    "revision": "MacBook Air (M1, 2020), Apple M1 chip",
    "os": "macOS Big Sur or later; Ventura and later call the preferences app System Settings. Diagnostic screens vary by macOS.",
    "region": "US-first; local repair provider requirements vary.",
    "help": "Choose Apple menu → About This Mac. Confirm MacBook Air (M1, 2020) and Chip: Apple M1. An Intel processor or another chip does not match.",
    "exclusions": [
      "MacBook Air Intel 2020",
      "MacBook Air M2",
      "MacBook Pro M1"
    ],
    "sourceIds": [
      "mac-id",
      "mac-spec",
      "mac-diagnostics"
    ]
  },
  "exclusions": [
    "MacBook Air Intel 2020",
    "MacBook Air M2",
    "MacBook Pro M1"
  ],
  "materials": [
    "Keep any existing backup accessible to you.",
    "Keep credentials and personal files outside this record."
  ],
  "stopConditions": [
    "Stop using and charging equipment with swelling, casing separation, smoke, a burning smell or suspected battery damage. Do not open or press on it.",
    "Set damaged accessories aside. Do not open mains adapters or force connectors.",
    "Do not erase, reset, flash firmware or bypass a lock as a default diagnostic step."
  ],
  "branches": [
    {
      "from": "safety",
      "answer": "safe",
      "to": "entry"
    },
    {
      "from": "safety",
      "answer": "danger",
      "to": "stop"
    },
    {
      "from": "safety",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "entry",
      "answer": "yes",
      "to": "os-route"
    },
    {
      "from": "entry",
      "answer": "no",
      "to": "service"
    },
    {
      "from": "entry",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "os-route",
      "answer": "macos26-plus",
      "to": "test-choice"
    },
    {
      "from": "os-route",
      "answer": "macos-earlier",
      "to": "automatic-test"
    },
    {
      "from": "os-route",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "test-choice",
      "answer": "selected",
      "to": "result"
    },
    {
      "from": "test-choice",
      "answer": "unavailable",
      "to": "attention"
    },
    {
      "from": "test-choice",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "automatic-test",
      "answer": "started",
      "to": "result"
    },
    {
      "from": "automatic-test",
      "answer": "not-started",
      "to": "service"
    },
    {
      "from": "automatic-test",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "result",
      "answer": "clear",
      "to": "ready"
    },
    {
      "from": "result",
      "answer": "code",
      "to": "service"
    },
    {
      "from": "result",
      "answer": "interrupted",
      "to": "attention"
    },
    {
      "from": "result",
      "answer": "unknown",
      "to": "uncertain"
    }
  ],
  "sources": [
    {
      "id": "mac-diagnostics",
      "title": "Use Apple Diagnostics to test your Mac",
      "url": "https://support.apple.com/en-gb/102550",
      "locator": "Prepare / Apple silicon / Run Apple Diagnostics / Results",
      "purpose": "M1 Options then Command-D; Tahoe 26+ selected tests versus earlier automatic testing; preserve reference code",
      "checkedAt": "2026-10-13",
      "reuse": "Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.",
      "licenseStatus": "Public support document; no redistribution license assumed."
    },
    {
      "id": "mac-spec",
      "title": "MacBook Air (M1, 2020) technical specifications",
      "url": "https://support.apple.com/en-us/111883",
      "locator": "Charging and Expansion / Display Support",
      "purpose": "Two USB-C Thunderbolt/USB4 ports and one native external display up to 6K at 60 Hz",
      "checkedAt": "2026-10-13",
      "reuse": "Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.",
      "licenseStatus": "Public support document; no redistribution license assumed."
    },
    {
      "id": "mac-safety",
      "title": "Important safety information for your Mac",
      "url": "https://support.apple.com/guide/macbook-air/important-safety-information-apd9b8f7aa11/mac",
      "locator": "Handling / Built-in battery / Charging",
      "purpose": "General damaged-equipment and moisture safety only; M1-specific connections are sourced from mac-spec",
      "checkedAt": "2026-10-13",
      "reuse": "Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.",
      "licenseStatus": "Public support document; no redistribution license assumed."
    },
    {
      "id": "mac-id",
      "title": "Identify MacBook Air model",
      "url": "https://support.apple.com/en-ie/102869",
      "locator": "Find model / MacBook Air M1 2020",
      "purpose": "Model and chip confirmation",
      "checkedAt": "2026-10-04",
      "reuse": "Reference only. Original paraphrase; no copied images or manual pages.",
      "licenseStatus": "Public support document; no redistribution license assumed."
    },
    {
      "id": "mac-safe",
      "title": "Start up your Mac in safe mode",
      "url": "https://support.apple.com/guide/mac-help/start-up-your-mac-in-safe-mode-mh21245/mac",
      "locator": "Apple silicon / Verify safe mode",
      "purpose": "M1 power, startup volume, Shift + Continue in Safe Mode and Boot Mode verification",
      "checkedAt": "2026-10-13",
      "reuse": "Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.",
      "licenseStatus": "Public support document; no redistribution license assumed."
    }
  ],
  "assets": [
    {
      "id": "laptop-m1-startup",
      "path": "/assets/laptop-m1-startup.svg",
      "title": "M1 startup routes",
      "alt": "Original schematic: hold power to Options; Command-D for diagnostics or select volume and Shift for safe mode. Diagnostics divides by macOS version.",
      "sourceIds": [
        "mac-diagnostics",
        "mac-safe"
      ],
      "caption": "Original schematic. M1 uses startup Options. Tahoe 26+ offers a test choice; earlier macOS tests automatically. Unknown OS remains unconfirmed.",
      "kind": "Original schematic"
    }
  ],
  "relatedIds": [
    "mba-m1-safe-mode",
    "mba-m1-blank-screen",
    "mba-m1-usbc-charge"
  ],
  "estimatedDuration": {
    "minutes": 20,
    "label": "Planning estimate for recording observations; excludes charging, backups, drying and service. Not a measured repair time."
  },
  "legacyVersion": "1.0.0",
  "legacyChecks": [
    {
      "id": "safety",
      "goal": "Separate unsafe hardware from routine preparation.",
      "question": "Any swelling, casing separation, liquid damage, smoke, burning smell, or damaged battery/adapter?",
      "sourceIds": [
        "mac-charge"
      ],
      "options": [
        {
          "id": "safe",
          "label": "No visible danger",
          "next": "check-1"
        },
        {
          "id": "danger",
          "label": "Yes, or suspected damage",
          "next": "stop"
        },
        {
          "id": "unknown",
          "label": "I cannot confirm",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "check-1",
      "goal": "Confirm the Apple silicon entry point.",
      "question": "Did startup Options appear on this Apple M1 Mac?",
      "sourceIds": [
        "mac-diagnostics",
        "mac-spec"
      ],
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-2"
        },
        {
          "id": "no",
          "label": "No",
          "next": "attention"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "check-2",
      "goal": "Save the diagnostic outcome.",
      "question": "Did diagnostics finish and give you a result to retain?",
      "sourceIds": [
        "mac-diagnostics",
        "mac-spec"
      ],
      "options": [
        {
          "id": "yes",
          "label": "Result available",
          "next": "ready"
        },
        {
          "id": "no",
          "label": "Could not complete",
          "next": "service"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    }
  ],
  "legacyPreparation": [
    "MacBook Air with Apple M1 confirmed",
    "Unsaved work is saved",
    "Power connection",
    "Internet connection if the diagnostic screen requests it",
    "A private place to keep your findings",
    "A current backup if the device is accessible"
  ]
}