Lenovo x3650 M4 BD 5466 Installation And Service Manual page 251

Figure 180. Microprocessor socket levers and retainer engagement
a. Close the microprocessor retainer on the microprocessor socket.
b. Identify which release lever is labeled as the first release lever to close and close it.
c. Close the second release lever on the microprocessor socket.
Step 6. Install a heat sink on the microprocessor:
Attention:
• Do not set down the heat sink after you remove the plastic cover
• Do not touch the thermal grease on the bottom of the heat sink or set down the heat sink after
you remove the plastic cover. Touching the thermal grease will contaminate it. If the thermal
grease is contaminated, call service and support to request a replacement thermal grease kit. For
information about installing the replacement thermal grease, see "Thermal grease" on page 68.
Figure 181. Heat-sink
.
Chapter 6 Removing and replacing components
237