HP zx5000 - Manual (Page 178)

Removal and Replacement Procedures
Maintenance and Service Guide 5–71
✎
Step 17 applies only to the HP Compaq Business Notebook
nx9105 model, and Compaq Presario R3004 and R31xx
notebook models.
17. Remove the PM2.5×6.0 screw that connects the top cover
shield to the system board.
Removing the Shield Screw on HP Compaq Business Notebook
nx9105, Compaq Presario R3004 and R31xx Notebook Models