Installing the Liquid Cooling Assembly

1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Removing the Computer Cover).
3. Apply thermal grease to the top of the processor as needed.
4. Align the screw holes on the liquid cooling assembly with the holes on the base of the computer, then tighten the seven screws to secure the assembly.
5. Connect the fan cable to the FAN1_CPU connector on the system board (see System Board Components).
6. Connect the liquid cooling assembly cable to the TEC_PUMP connector on the system board (see System Board Components).
7. Connect the liquid cooling assembly power cable.
8. Gently slide the optical drive(s) into the drive bay until you hear a click or feel the drive securely installed.
9. Replace the drive panel (see Replacing the Drive Panel).
10. Replace any expansion cards that you removed (see Installing PCI and PCI Express Cards).
11. Close the computer cover (see Replacing the Computer Cover).
12. Connect your computer and devices to electrical outlets, and turn them on.
Processor

Removing the Processor

1
liquid cooling assembly
2
captive screws (6)
3
screw (loose)
NOTICE: Ensure that adequate thermal grease is applied to the top of the processor. Thermal grease is critical for ensuring adequate thermal bonding,
which is a requirement for optimal processor operation.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could
damage your system board.