HP Compaq Presario,Presario V3501 Maintenance And Service Manual page 102

System board (see
k.
Fan/heat sink assembly (see
l.
Remove the processor:
Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click.
1.
Lift the processor (2) straight up and remove it.
2.
NOTE:
on the processor slot when you install the processor.
Reverse this procedure to install the processor.
94 Chapter 4 Removal and replacement procedures
System board on page
The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed
85)
Fan/heat sink assembly on page 90)