Owners Manual

Related references
Safety instructions on page 60
Before working inside your system on page 61
Related tasks
Installing the Network Daughter Card riser on page 113
Installing the left or right expansion card riser on page 104
After working inside your system on page 61
Processors and heat sinks
Use the following procedures when:
● Removing and installing a heat sink
● Installing an additional processor
● Replacing a processor
NOTE: To ensure proper cooling, you must install a processor blank in any empty processor socket.
Removing a heat sink
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that came with the product.
NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should be performed only by Dell
certified service technicians.
CAUTION: Never remove the heat sink from a processor unless you intend to remove the processor. The heat
sink is necessary to maintain proper thermal conditions.
NOTE: To ensure proper system cooling, you must install a processor blank and heat sink blank in any empty processor
socket.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system.
3. Keep the Phillips #2 screwdriver ready.
4. Remove the following:
a. Cooling fans
b. Memory risers
c. Memory riser and fan cage
d. Cable management tray
e. Fan tray
WARNING:
The heat sink is hot to touch for some time after the system has been powered down. Allow the heat
sink to cool before removing it.
1. Loosen one of the screws that secure the heat sink to the system board.
Allow some time (approximately 30 seconds) for the heat sink to loosen from the processor.
2. Remove the screw diagonally opposite the screw you first removed.
3. Repeat the procedure for the remaining two screws.
126
Installing and removing system components