Installing The Heat Sink Assembly; Memory Modules; Removing The Memory Module - Dell ChengMing 3990 Service Manual

Installing the heat sink assembly

About this task
Steps
1. Align the heat sink assembly with screw holders and place the heat sink assembly on the system board.
2. Tighten the captive screws in a to secure the heat sink assembly to the system board .
NOTE: Tighten the screws on the system board in the order of the callout numbers [1, 2, 3, 4].
3. Connect the cable to the connector on the system board.
Next steps
Next steps
1. Install the front bezel.
2. Install the side cover.
3. Follow the procedure in

Memory modules

Removing the memory module

Prerequisites
1. Follow the procedure in
After working inside your
Before working inside your
computer.
computer.
Disassembly and reassembly 35