BenchReady — ThinkPad USB-C power recognition and charging Intel machine types 20W0 or 20W1 · 2.0.0 Compare the direct Lenovo power path before a dock, adapter or battery decision. MODEL FIT 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. Windows 10/11, original Lenovo firmware. Labels vary between Windows versions; managed systems require IT approval for settings changes. Excluded: ThinkPad T14 Gen 2 AMD; ThinkPad T14 Gen 1; ThinkPad T14s Gen 2; ThinkPad T15 PREPARATION [ ] Intel T14 Gen 2, machine type 20W0/20W1 confirmed [ ] No moisture, swelling or damaged power equipment [ ] Supplied or Lenovo-qualified compatible adapter [ ] Known working outlet [ ] Keep any existing backup accessible to you. [ ] Keep credentials and personal files outside this record. GUIDE 1. Check the adapter label privately. The guide lists 45 W or 65 W depending on configuration; confirm the supplied or Lenovo-qualified adapter for this unit. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed p. 23 → Use ac power 2. Disconnect the dock and connect the safe adapter to the marked USB-C power connector. Keep the other accessories and workload constant for this direct baseline. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed p. 4 → Intel side view; p. 23 → Charge the computer 3. Open Windows Settings → System for battery status and use installed Lenovo Vantage for more detail. Record AC recognition separately from charging progress. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed p. 23 → Check the battery status; p. 19 → Vantage 4. If a second known-compatible Lenovo-qualified adapter is available, compare it on the same outlet and connector. A missing spare stays Not tested; do not measure live contacts or open the adapter. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed p. 23 → qualified adapters; original controlled comparison 5. If external power is recognized but charging pauses, retain the displayed battery state and workload. The manual describes charge-management behavior; one pause cannot locate battery damage. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed p. 24 → charging notes; original status worksheet 6. Bring the affected adapter and laptop to Lenovo if direct AC remains unrecognized. A working direct result with a failing dock path is a dock-support lead. Sources: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf; Printed pp. 65–67 → support information; original path comparison EVIDENCE TO RECORD Verified adapter class: Not recorded AC recognition: Not recorded Battery observation: Not recorded Power path: Not recorded Direct baseline — Compatible adapter, marked power connector, known outlet: Not checked Second compatible adapter — Same outlet, connector and workload: Not checked Documented dock path — Compare only after direct baseline and dock compatibility check: Not checked STOP CONDITIONS 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. OUTCOMES Direct power observation saved: Retain recognized AC, charge state and workload together. - Keep adapter compatibility details privately. - Report recurrent unexplained pauses with the direct baseline. Review the docking power path: The observed direct adapter path works. - Give the dock vendor the direct-versus-dock matrix. - Confirm the dock’s own adapter and exact-unit compatibility. Confirm the direct power equipment: An undocumented adapter or dock path cannot establish the laptop’s charging behavior. - Confirm the correct adapter with Lenovo. - Leave unavailable direct comparisons Not tested. Request Lenovo power support: Direct power remains absent or charging behavior is unexplained. - Bring the affected laptop and adapter. - Share AC recognition, workload and charge-state observations. Keep the unanswered checks visible: Adapter compatibility, AC recognition or the direct comparison remains unknown. - Provide direct adapter versus dock observations. - State adapter compatibility and unavailable comparison equipment. - Keep unperformed conditions marked Not tested. Ask the provider to confirm these before further changes. Stop the powered checks: 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. - Tell Lenovo or your IT team about the visible damage before arranging transport. - Provide direct adapter versus dock observations. - Do not open the case, remove the battery, press a lifted surface, or continue a test to complete this record. SOURCES ThinkPad T14 Gen 2 user guide: https://download.lenovo.com/pccbbs/mobiles_pdf/t14_gen2_t15_gen2_p14s_gen2_p15s_gen2_ug_en.pdf (Printed pp. 1–5, 9–14, 16–19, 23–25, 27–33, 62, 65–67; checked 2026-10-13) This is a blank guide. Use the website to save observations and export an importable record. No physical repair has been verified.