Dell Inspiron 3059 AIO Inspiron 20 3059 Service Manual - Page 61
Replacing the heat sink, Procedure, Post-requisites
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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 Align the captive screws on the heat sink with the screw holes on the system board. 2 In sequential order (as indicated on the heat sink), tighten the captive screws that secure the heat sink to the system board. 3 Replace the screw that secures the heat sink to the display-assembly base. Post-requisites 1 Replace the system-board shield. 2 Replace the back cover. 3 Follow the procedure in step 4 in "Replacing the optical drive". 4 Replace the stand. 61