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Follow the instructions in Before You Begin. 2. Remove the thermal cooling assembly (see Removing the Thermal Cooling Assembly). 3. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop. 4. Lift the processor module from the ZIF socket. Replacing the Processor Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer). CAUTION: To prevent intermittent contact between the ZIF-socket cam screw and the processor module when removing or replacing the processor, press to apply slight pressure to the center of the processor module while turning the cam screw. CAUTION: To avoid damage to the processor module, hold the screwdriver so that it is perpendicular to the processor module when turning the cam screw. CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the computer. 1 ZIF socket 2 ZIF-socket cam screw CAUTION: To ensure maximum cooling for the processor module, do not touch the heat transfer areas on the processor thermal-cooling assembly. The oils in your skin can reduce the heat transfer capability of the thermal pads. CAUTION: When removing the processor module, lift the module straight up. Be careful not to bend the pins on the processor module. 1. Follow the instructions in Before You Begin. 2. Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then place the processor module. 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. 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). Back to Contents Page 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. 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. CAUTION: To avoid damage to the processor module, hold the screwdriver perpendicular to the processor module when turning the cam screw. Back to Contents Page Thermal Cooling Assembly Dell™ Inspiron™ N4020/N4030 Service Manual Removing the Thermal Cooling Assembly Replacing the Thermal Cooling Assembly Removing the Thermal Cooling Assembly 1. Follow the instructions in Before You Begin. 2. Follow the instructions from step 2 to step 14 in Removing the System Board. 3. Disconnect the fan cable from the connector on the system board. 4. In sequential order (indicated on the thermal cooling assembly), loosen the four captive screws that secure the assembly to the system board. 5. Lift the thermal cooling assembly off the system board. Replacing the Thermal Cooling Assembly 1. Follow the instructions in Before You Begin. 2. Place the thermal cooling assembly on the system board. 3. Align the four captive screws on the thermal cooling assembly with the screw holes on the system board and tighten the screws in sequential order (indicated on the thermal cooling assembly). 4. Connect the fan cable to the connector on the system board. 5. Follow the instructions from step 5 to step 18 in Replacing the System Board. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at WARNING: If you remove the thermal cooling assembly from the computer when the heat sink is hot, do not touch the metal housing of the thermal cooling assembly. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer). CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the computer. 1 thermal cooling assembly 2 fan cable conn...