Dell Precision 330 - Manual (Page 104)

104 Installing Upgrades
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Re m o v i n g t h e A i r f l o w S h r o u d ( D e s k t o p C h a s s i s )
4 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.
5 Discard the original microprocessor heat sink and securing clips.
airflow shroud
microprocessor
with heat sink
anchor tabs (3)