Service Manual

Replacing the heat-sink assembly

NOTE: 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: If either the system board or the fan and heat-sink assembly is replaced, use the thermal pad/paste provided in the

kit to ensure that thermal conductivity is achieved.

Procedure

1. Align the screw holes on the heat-sink assembly with the screw holes on the system board.

2. Replace the seven screws (M2x3) that secure the heat-sink assembly to the system board.

3. Turn the system-board assembly over.

NOTE: For computers shipped with NVIDIA GeForce GTX 1060 graphics controller, place the fans on the slots on the

system board.

4. Connect the fan cable to the system board.

5. Connect the fan cable to the system board.

6. Adhere the tape that secures the fan cable to the system-board assembly.

Post-requisites

1. Replace the

computer base.

2. Replace the rear-I/O cover.

3. Replace the memory modules.

4. Replace the solid-state drive.

5. Replace the wireless card.

6. Replace the

base cover.