Dell N4030 Laptop User Manual


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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 www.dell.com/regulatory_compliance.
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 connector
3
captive screws (4)
NOTE: This procedure assumes that you have already removed the thermal cooling assembly and are ready to replace it.
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.
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