Dell PRECISION 530 - Manual (Page 121)

Removing and Installing Parts 121
CAUTION: Before you perform this procedure, see " Safety First—
For You and Your Computer ."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "
System Board
Components " or the interior service label.
1 Remove the microprocessor airflow shroud .
2 Remove the microprocessor heat sink :
a For each of the metal clips that secure the heat sink to the
microprocessor, press down on the clip’s latch to release it from
the heat-sink retention base. Then lift the clip away from the heat
sink (see the following figure).
b Lift the heat sink away from the microprocessor.
NOTE: If you are upgrading your microprocessor, keep your original
microprocessor heat sink and securing clips for future trouble-shooting.
NOTE: Your microprocessor upgrade kit should include a replacement
microprocessor heat sink and two replacement securing clips.
NOTICE: If you are not installing a microprocessor upgrade kit from Dell,
reuse the original heat sink and securing clips when replacing the
microprocessor.