Lenovo System x3550 M4 Installation And Service Manual page 301

Figure 214. Heat sink removal
Step 7. Open the microprocessor socket release levers and retainer.
Microprocessor
Figure 215. Microprocessor socket levers and retainer disengagement
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 microprocessor contacts. Contaminants on the microprocessor
contacts, such as oil from your skin, can cause connection failures between the contacts
and the socket.
Step 8. Remove the microprocessor from the socket.
a. Select the empty installation tool and ensure that the handle is in the open position. If the
installation tool handle is not in the open position, use the following instructions for your
installation tool:
• If using Installation Tool A, twist the microprocessor installation tool handle counterclockwise
to the open position.
Microprocessor
release lever
Microprocessor
release lever
.
Chapter 6 Removing and replacing components
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