HP ZE4900 - Manual (Page 126)

Removal and Replacement Procedures
Maintenance and Service Guide 5–43
✎
Step 6 applies only to HP Pavilion ze4900, HP Compaq
nx9030 and nx9020, and Compaq Presario 2200 notebook
models.
6. Remove the 2 HM5.0×9.0 locks on each side of the external
monitor port.
Removing the System Board Screwlocks - HP Pavilion ze4900,
HP Compaq nx9030 and nx9020, and Compaq Presario 2200
Notebook Models Only