Compaq Contura 400 Maintenance And Service Manual page 152

13. Ensure that the cable has been seated evenly and that the white line
on the cable is level.
14. Replace the keyboard assembly (Section 3.7).
Chapter 3.23 Color STN (9.5 inch) Display (Models 400 and 410)
IMPORTANT: The Monochrome, CSTN and the CTFT displays have different
removal and replacement procedures. Be sure to follow the
procedures for the specific display.
This sections contains removal and replacement procedures for the
following CSTN (9.5 inch) display components:
o Display panel
o Shield
o Display cable
o Display ground cable