HP ZE4900 - Manual (Page 109)

5–26 Maintenance and Service Guide
Removal and Replacement Procedures
7. Position the notebook with the rear panel toward you.
8. Position the display perpendicular to the notebook.
9. Remove the 2 PM2.0×6.0 screws 1 that secure the display to
the notebook.
10. Lift the display straight up and remove it 2.
Removing the Display Assembly
Reverse the above procedure to install the display assembly.