Lenovo x3550 M4 Installation And Service Manual page 102

Figure 64. Heat-sink lever rotation
Figure 65. Microprocessor socket levers and retainer disengagement
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System x3550 M4 Type 7914: Installation and Service Guide
6. Open the microprocessor socket release levers and retainer:
a. Identify which release lever is labeled as the first release lever to open and
open it.
b. Open the second release lever on the microprocessor socket.
c. Open the microprocessor retainer.
Attention: Do not touch the connectors on the microprocessor and the
microprocessor socket.
7. Install the microprocessor in the microprocessor socket:
a. Open the packaging that contains the new microprocessor installation tool
assembly and carefully remove the installation tool assembly from the
package.
Note: Do not touch the microprocessor contacts. Contaminants on the
microprocessor contacts, such as oil from your skin, can cause connection
failures between the contacts and the socket.
b. Remove the microprocessor protective cover if one is present. The
microprocessor is preinstalled on the installation tool.