Dell E28S Series, Owner'S Manual, Page: 145 / 220

Removing a heat sink
Before you begin
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.
WARNING The heat sink will be hot to touch. Allow the heat sink to cool for some time after
powering down the system.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Keep the Phillips #2 screwdriver ready.
3. Follow the procedure listed in the Before working inside your system section.
4. If installed, remove the full-length PCIe card(s).
5. Remove the cooling shroud.
Procedure
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.
4. Remove the heat sink.
Figure 64 Removing a heat sink
a. retention screw (4)
b. heat sink
c. processor socket
d. retention screw slot (4)
After you finish
1. Replace the heat sink(s) and processor(s).
Installing and removing system components
Dell PowerEdge R430 Owner's Manual 145