HP Compaq nw8440, nc8430, nx8420 Notebook PCs - Maintenance and Service Guide

Removal and Replacement Procedures
Maintenance and Service Guide 5–49
3. Remove the two rubber screw covers 1 and the eleven Torx8
T8M2.5×10.0 screws 2 that secure the top cover to
the computer.
✎
The rubber screw covers are available in the Screw Kit, spare
part number 416419-001.
Removing the Top Cover Screws, Part 1