Dell Inspiron 14 3468 Inspiron 14 3000 Service Manual - Page 62
Replacing the heat sink, Procedure, Post-requisites, system board and processor.
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Replacing the heat sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together. If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. Procedure 1 Follow procedure from step 1 to step 4 in "Replacing the fan". 2 Align the screws on the heat sink with the screw holes on the system board. 3 In sequential order (as indicated on the heat sink), tighten the captive screws that secure the cooling assembly to the system board. 4 Connect the fan cable to the system board. Post-requisites 1 Follow the procedure from step 3 to step 8 in "Replacing the system board". 2 Follow the procedure from step 4 to step 11 in "Replacing the palm rest". 3 Replace the keyboard. 4 Replace the wireless card. 5 Replace the memory modules. 6 Follow the procedure from step 4 to step 6 in "Replacing the hard drive". 7 Replace the base cover. 8 Replace the battery. 62