Lenovo ThinkStation P920 Hardware Maintenance Manual page 211

b. Position the microprocessor retainer with the microprocessor on the heat-sink-and-fan assembly.
Insert two retaining clips of the retainer into the corresponding holes in the heat-sink-and-fan
assembly 1 . Then, press the other two clips downward until you hear two clicks
retainer with the microprocessor is securely seated on the heat-sink-and-fan assembly.
Note: To install the microprocessor 1 on the heat-sink-and-fan assembly 1, ensure that the
engraved number 1 on the bottom of the heat-sink-and-fan assembly is visible. To install the
microprocessor 2 on the heat-sink-and-fan assembly 2, ensure that the engraved number 2 on the
bottom of the heat-sink-and-fan assembly is visible.
Figure 182. Installing the microprocessor retainer on the heat-sink-and-fan assembly
c. If the microprocessor socket is installed with a microprocessor socket cover, remove the cover.
Figure 183. Removing the microprocessor socket cover
2
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Chapter 9 Hardware removal and installation
. Ensure that the
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