{
  "id": "t14g2-external-display",
  "modelId": "t14g2",
  "title": "Direct display detection before dock troubleshooting",
  "intent": "Compare a single monitor through a documented Intel video connection and preserve detection versus image.",
  "category": "connections",
  "sourceIds": [
    "lenovo-ug"
  ],
  "diagramId": "laptop-t14-ports",
  "prerequisites": [
    "Built-in screen works",
    "Exact Intel unit and monitor connection confirmed"
  ],
  "tools": [
    "Powered monitor with intended input selected",
    "Compatible HDMI or Thunderbolt/USB-C video path"
  ],
  "steps": [
    {
      "id": "identify",
      "text": "Use the Intel connector layout: the guide identifies Thunderbolt 4 USB-C and HDMI. A charging cable alone does not establish video capability; check the cable documentation.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "locator": "Printed p. 4 → Intel side view; p. 7 → USB; p. 16 → wired display"
    },
    {
      "id": "direct",
      "text": "Remove the dock from the comparison. Connect one powered display directly through a documented compatible cable and select its matching input.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "locator": "Printed p. 16 → Connect to a wired display; original direct baseline"
    },
    {
      "id": "detect",
      "text": "Right-click a blank desktop area, open Display settings and use the displayed detection control if needed. Record detected-with-image, detected-but-dark or absent.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "locator": "Printed pp. 16–17 → detection and display settings"
    },
    {
      "id": "mode",
      "text": "Review the selected display and mode in Windows. Keep the monitor, input and mode fixed while comparing one known-compatible cable. Use settings supported by both devices.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "locator": "Printed pp. 16–17 → supported connection / mode / settings"
    },
    {
      "id": "dock",
      "text": "Only after the direct result is recorded, compare the exact supported dock path. Optional docking connectors differ by configuration; record unsupported or unavailable hardware separately.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "locator": "Printed pp. 4–5 → optional extension connector; pp. 27–31 → docking support"
    }
  ],
  "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": [
        "lenovo-ug"
      ],
      "options": [
        {
          "id": "safe",
          "label": "No visible danger",
          "next": "path"
        },
        {
          "id": "danger",
          "label": "Yes, or suspected damage",
          "next": "stop"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "path",
      "question": "Is a direct compatible monitor path available?",
      "goal": "Establish a usable baseline.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "options": [
        {
          "id": "yes",
          "label": "Direct path confirmed",
          "next": "detect"
        },
        {
          "id": "no",
          "label": "Cable/input compatibility unclear",
          "next": "attention"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "detect",
      "question": "What does the direct display show?",
      "goal": "Separate detection and image.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "options": [
        {
          "id": "works",
          "label": "Detected with usable image",
          "next": "dock"
        },
        {
          "id": "dark",
          "label": "Detected but remains dark",
          "next": "service"
        },
        {
          "id": "absent",
          "label": "Not detected after available comparison",
          "next": "service"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    },
    {
      "id": "dock",
      "question": "What happened on the documented dock path?",
      "goal": "Locate the next support owner.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "options": [
        {
          "id": "works",
          "label": "Also works / dock not needed",
          "next": "ready"
        },
        {
          "id": "fails",
          "label": "Dock fails while direct works",
          "next": "dock-help"
        },
        {
          "id": "unsupported",
          "label": "Dock compatibility unconfirmed",
          "next": "attention"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    }
  ],
  "terminals": {
    "ready": {
      "type": "preparation_saved",
      "title": "Direct display baseline saved",
      "text": "Retain the working direct path, input and display mode.",
      "handoff": [
        "Record the monitor/cable details privately.",
        "Keep any separate dock issue with the dock vendor."
      ]
    },
    "dock-help": {
      "type": "maintenance_possible",
      "title": "Review the docking setup",
      "text": "The direct path works while the dock path fails.",
      "handoff": [
        "Provide exact dock compatibility and power details to its vendor.",
        "Retain direct-versus-dock results."
      ]
    },
    "attention": {
      "type": "maintenance_possible",
      "title": "Confirm the connection requirement",
      "text": "A missing or incompatible cable/dock prevents a meaningful display result.",
      "handoff": [
        "Verify exact Intel unit, connector and cable support.",
        "Keep unsupported conditions Not applicable and unavailable ones Not tested."
      ]
    },
    "service": {
      "type": "service_needed",
      "title": "Share display detection evidence",
      "text": "The direct compatible path still lacks usable video.",
      "handoff": [
        "Provide detected-versus-absent and dark-versus-image observations.",
        "Include input, cable and Windows display-mode details."
      ]
    },
    "uncertain": {
      "type": "preparation_saved",
      "title": "Keep the unanswered checks visible",
      "text": "Direct-path compatibility, detection or image availability is unknown.",
      "handoff": [
        "Provide Intel connector and direct monitor result.",
        "Separate display detection, image and dock compatibility.",
        "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 Lenovo or your IT team about the visible damage before arranging transport.",
        "Provide Intel connector and direct monitor result.",
        "Do not open the case, remove the battery, press a lifted surface, or continue a test to complete this record."
      ]
    }
  },
  "missing": "Direct-path compatibility, detection or image availability is unknown.",
  "handoff": [
    "Provide Intel connector and direct monitor result.",
    "Separate display detection, image and dock compatibility."
  ],
  "outcomeChecks": [
    "Direct baseline precedes dock interpretation.",
    "Optional connectors are checked on the actual unit."
  ],
  "workflow": {
    "family": "condition-matrix",
    "summary": "Compare the monitor through direct and documented dock paths.",
    "osOptions": [
      "windows11",
      "windows10",
      "windows-unknown"
    ],
    "fields": [
      {
        "id": "video-path",
        "label": "Direct connection",
        "type": "select",
        "options": [
          {
            "value": "unknown",
            "label": "Not checked"
          },
          {
            "value": "hdmi",
            "label": "HDMI"
          },
          {
            "value": "usbc",
            "label": "Thunderbolt/USB-C video"
          },
          {
            "value": "dock-only",
            "label": "Dock only"
          }
        ]
      },
      {
        "id": "monitor-detection",
        "label": "Detection result",
        "type": "select",
        "options": [
          {
            "value": "unknown",
            "label": "Not checked"
          },
          {
            "value": "image",
            "label": "Detected with image"
          },
          {
            "value": "dark",
            "label": "Detected but dark"
          },
          {
            "value": "absent",
            "label": "Absent"
          }
        ]
      },
      {
        "id": "display-mode",
        "label": "Windows mode",
        "type": "select",
        "options": [
          {
            "value": "unknown",
            "label": "Not checked"
          },
          {
            "value": "duplicate",
            "label": "Duplicate"
          },
          {
            "value": "extend",
            "label": "Extend"
          },
          {
            "value": "single",
            "label": "One screen selected"
          }
        ]
      }
    ],
    "matrix": {
      "title": "Display paths",
      "rows": [
        {
          "id": "direct",
          "label": "Direct monitor",
          "condition": "Same monitor and correct input, no dock"
        },
        {
          "id": "cable",
          "label": "Compatible cable comparison",
          "condition": "Same monitor/input/mode; cable only changes"
        },
        {
          "id": "dock",
          "label": "Documented dock",
          "condition": "Only after direct baseline and exact compatibility review"
        }
      ],
      "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": [
      "Intel connector path",
      "Detection and image",
      "Display mode and dock support"
    ],
    "notDoneGuidance": [
      "An unsupported dock is not evidence of a broken laptop port.",
      "Missing compatible video cable remains Not tested."
    ]
  },
  "entityKind": "task",
  "version": "2.0.0",
  "deviceFamily": "laptop",
  "modelApplicability": {
    "id": "t14g2",
    "name": "ThinkPad T14 Gen 2 Intel",
    "family": "laptop",
    "revision": "Intel machine types 20W0 or 20W1",
    "os": "Windows 10/11, original Lenovo firmware. Labels vary between Windows versions; managed systems require IT approval for settings changes.",
    "region": "US-first; optional hardware varies by machine type.",
    "help": "Read the underside machine-type label or Lenovo Vantage device details locally. Confirm T14 Gen 2 Intel and 20W0/20W1. Keep the full serial number private.",
    "exclusions": [
      "ThinkPad T14 Gen 2 AMD",
      "ThinkPad T14 Gen 1",
      "ThinkPad T14s Gen 2",
      "ThinkPad T15"
    ],
    "sourceIds": [
      "lenovo-ug"
    ]
  },
  "exclusions": [
    "ThinkPad T14 Gen 2 AMD",
    "ThinkPad T14 Gen 1",
    "ThinkPad T14s Gen 2",
    "ThinkPad T15"
  ],
  "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": "path"
    },
    {
      "from": "safety",
      "answer": "danger",
      "to": "stop"
    },
    {
      "from": "safety",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "path",
      "answer": "yes",
      "to": "detect"
    },
    {
      "from": "path",
      "answer": "no",
      "to": "attention"
    },
    {
      "from": "path",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "detect",
      "answer": "works",
      "to": "dock"
    },
    {
      "from": "detect",
      "answer": "dark",
      "to": "service"
    },
    {
      "from": "detect",
      "answer": "absent",
      "to": "service"
    },
    {
      "from": "detect",
      "answer": "unknown",
      "to": "uncertain"
    },
    {
      "from": "dock",
      "answer": "works",
      "to": "ready"
    },
    {
      "from": "dock",
      "answer": "fails",
      "to": "dock-help"
    },
    {
      "from": "dock",
      "answer": "unsupported",
      "to": "attention"
    },
    {
      "from": "dock",
      "answer": "unknown",
      "to": "uncertain"
    }
  ],
  "sources": [
    {
      "id": "lenovo-ug",
      "title": "ThinkPad T14 Gen 2 user guide",
      "url": "https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf",
      "locator": "Printed pp. 1–5, 9–14, 16–19, 23–25, 27–33, 62, 65–67",
      "purpose": "Existing local official PDF/text reviewed for Intel layout, optional hardware, controls, Vantage, power and support",
      "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-t14-ports",
      "path": "/assets/laptop-t14-ports.svg",
      "title": "Intel T14 Gen 2 connection groups",
      "alt": "Original schematic grouping USB-C power, Thunderbolt 4 video, HDMI and optional standard Ethernet separately from the docking extension connector.",
      "sourceIds": [
        "lenovo-ug"
      ],
      "caption": "Original schematic, not a precise port-position drawing. Intel 20W0/20W1 only. Optional Ethernet and docking hardware must be checked on the actual unit.",
      "kind": "Original schematic"
    }
  ],
  "relatedIds": [
    "t14g2-camera-shutter",
    "t14g2-trackpad-gestures",
    "t14g2-trackpoint-controls"
  ],
  "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": [
        "lenovo-ug"
      ],
      "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": "Isolate the dock and cable.",
      "question": "Is the powered monitor directly connected through a compatible video path?",
      "sourceIds": [
        "lenovo-ug"
      ],
      "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": "Record detection and output.",
      "question": "Does Windows detect the monitor and show usable video?",
      "sourceIds": [
        "lenovo-ug"
      ],
      "options": [
        {
          "id": "yes",
          "label": "Detected with video",
          "next": "ready"
        },
        {
          "id": "no",
          "label": "Not detected or no video",
          "next": "service"
        },
        {
          "id": "unknown",
          "label": "Not checked / unsure",
          "next": "uncertain"
        }
      ]
    }
  ],
  "legacyPreparation": [
    "Built-in display works",
    "Monitor and cable match the selected connector",
    "Powered monitor",
    "Compatible HDMI or USB-C video connection",
    "A private place to keep your findings",
    "A current backup if the device is accessible"
  ]
}