HP spare part: Touchpad cable (available in the Cable Kit). Unverified source; not bench-tested.
Source notes
Manual on file for HP Elite Dragonfly 13.5 inch Chromebook Maintenance and Service Guide, PDF page 18: "the cable kit as spare part number N13425-001". Source link not recorded and not verified as an HP document (red, not sure). (via v10 fold 2026-11-12)