HP EliteBook 8570p Maintenance And Service Manual page 140

Remove the processor:
1. Use a flat-bladed screw driver (1) to turn the processor locking screw one-half turn
counterclockwise, until you hear a click.
2. Lift the processor (2) straight up, and remove it.
NOTE:
embossed on the processor socket when you install the processor.
Reverse this procedure to install the processor.
132 Chapter 4 Removal and replacement procedures
The gold triangle (3) on the processor must be aligned with the triangle icon (4)