HP nx6130 Maintenance And Service Manual page 117

5. Use a flat-bladed screwdriver to turn the processor locking
screw one-quarter turn counterclockwise 1 until you hear
a click.
6. Lift the processor straight up and remove it 2.
The gold triangle 3 on the processor should be aligned in the
front-right corner when you install the processor.
Removing the Processor
Reverse the above procedure to install the processor.
Maintenance and Service Guide
Removal and Replacement Procedures
6–31