HP ZE4900 - Manual (Page 165)

Screw Listing
Maintenance and Service Guide C–9
Phillips M2.0×4.0 Screw Locations
Table C-3
Phillips PM2.0×4.0 Screw (Continued)
Color Qty. Length Thread
Head
Width
Black 23 4.0 mm 2.0 mm 4.0 mm
Where used:
2 screws that secure the top cover to the notebook
(documented in Section 5.13 )
mm