BenchReady — USB-C display connection is limited: check the whole connection Windows 11 with a USB-C display or display adapter and a limited-display notification. Keep the exact PC, dock, adapter and monitor model names for manufacturer documentation. Outside this guide: A working charging connection does not establish video capability. This guide does not assign video support to an unknown port or prescribe a firmware update. STOP: Stop if a connector is damaged, loose, hot or requires force. If the hardware documentation is unclear, leave support unknown and ask the manufacturer before buying or replacing parts. PREPARE [ ] Manufacturer specifications for the exact PC port, cable and display/adapter [ ] A compatible direct connection if already available [ ] A safe way to keep your current working display available CHECKS 1. Name each part of the connection On your own worksheet, list the PC port, any dock, cable and display adapter. A USB-C plug shape is not enough to identify the video capability. 2. Check documented video support For a DisplayPort path, verify that the PC port, cable and connected display or adapter support the required alternate mode. Keep any unsupported or unknown link visible. 3. Compare a direct path If you already have the correct equipment, connect the display device or adapter directly to the supported PC port. Record whether the notification or display response changes from the docked path. 4. Record the unresolved link If no compatible direct path is available, record the check as unperformed. Use the model specifications and observed path when asking the manufacturer for compatibility help. OBSERVATIONS PC port video support: Not checked Choices: Not checked / Documented compatible / Documented unsupported / Documentation unclear Cable video support: Not checked Choices: Not checked / Documented compatible / Unconfirmed Display or adapter support: Not checked Choices: Not checked / Documented compatible / Unconfirmed Docked result: Not checked Choices: Not checked / Display works / Limited notification or no image / No dock used Direct result: Not checked Choices: Not checked / Display works / Same symptom / Compatible path unavailable Next step: Not checked Choices: Not checked / Use documented compatible path / Ask manufacturer about compatibility / Keep comparison for service NEXT STEPS A port lacks documented video support: Use a port that the manufacturer explicitly supports for this display path; a software setting cannot create missing hardware capability. Direct works, docked does not: The difference is associated with the connection path. It does not prove the dock itself is defective. Both paths fail or remain untested: Keep the cable, adapter and compatibility unknowns in the record; do not select a replacement part from the warning alone. OFFICIAL SOURCES Microsoft: Fix USB-C problems in Windows: https://support.microsoft.com/en-us/windows/hardware/usb/fix-usb-c-problems-in-windows (checked 2026-10-20) Guide: https://csl-15-device-repair.pages.dev/guides/windows11-usbc-display/ Keep credentials, recovery keys, personal files and serial numbers outside this worksheet. A recorded observation is not proof of a physical repair.