Dell Inspiron 14 N4120 Service Manual page 93

CAUTION:
To avoid damage to the processor, hold the screwdriver perpendicular
to the processor when turning the cam screw.
3 Tighten the ZIF socket by turning the cam screw clockwise to secure the
processor module to the system board.
4 Replace the thermal cooling assembly (see "Replacing the Thermal
Cooling Assembly" on page 90).
5 Follow the instructions from step 6 to step 20 in "Replacing the System
Board" on page 81.
CAUTION:
Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
Processor Module
93