Service Manual

108
www.dell.com | support.dell.com
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."
1
Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds, lay the computer on its
right side, and open the computer cover.
2 Remove the microprocessor airflow shroud.
3 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.