Dell Inspiron N4020 Service Manual page 14

NOTE: If a new processor module is installed, you will receive a new thermal-cooling assembly, which will include an affixed thermal pad, or you will
receive a new thermal pad along with documentation to illustrate proper installation.
1. Follow the instructions in
2. Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then place the processor module.
NOTE: The pin-1 corner of the processor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket.
When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the
others, the module is not seated properly.
CAUTION:
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
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To avoid damage to the processor module, hold the screwdriver perpendicular to the processor module when turning the cam screw.
Replacing the Thermal Cooling
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Assembly).