HP Pavilion dv9100 - Entertainment Notebook PC Maintenance And Service Manual page 252

Screw Listing
mm
Where used:
4 screws that secure the fan/heat sink assembly to the system board
(documented in
Phillips PM2.5×6.0 Screw Locations
A–30
Phillips PM2.5×6.0 Screw
Color
Black
Section 5.25)
Table A-11
Qty. Length
4 6.0 mm
Maintenance and Service Guide
Head
Thread Width
2.5 mm 5.0 mm