HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual page 103

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.
ENWW
The gold triangle (3) on the processor must be aligned with the triangle icon (4)
Component replacement procedures 93