HP Compaq NC4400 Maintenance And Service Manual page 128

Removal and Replacement Procedures
✎
The display hinges are included in the Display Bracket Kit,
spare part number 431167-001.
30. If it is necessary to replace the display hinges, remove the
Phillips PM2.0×6.0 screw 1 that secures each hinge to the
display enclosure.
31. Remove the display hinges 2.
Removing the Display Hinges
5–46 Maintenance and Service Guide