HP Compaq Presario,Presario M2200 Maintenance And Service Manual page 216

Screw Listing
mm
Where used:
4 screws that secure the keyboard to the notebook (documented in
Section 5.11)
Phillips PM2.0×3.0 Screw Locations
C–22
Table C-6
Phillips PM2.0×3.0 Screw
Color Qty.
Black 4
Length Thread
3.0 mm 2.0 mm
Maintenance and Service Guide
Head
Width
4.0 mm