Note: To prevent the contact of the system I/O board from damage, pinch and lift the plunger on
the system I/O board upward a little and pull out the system I/O board outward. During the entire
pulling action, ensure that the system I/O board remains as horizontal as possible.
Figure 147. Separating the system I/O board from the processor board
a. Remove the screws that secure the system I/O board.
b.
Lift and hold the rear lifting handle and slide the system I/O board towards the rear to
disengage it from the processor board.
After you finish
• If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Important: Before you return the processor board, make sure that you install the processor socket
covers from the new processor board. To replace a processor socket cover:
1. Take a socket cover from the processor socket assembly on the new processor board and orient it
correctly above the processor socket assembly on the removed processor board.
2. Gently press down the socket cover legs to the processor socket assembly, pressing on the edges to
avoid damage to the socket pins. You might hear a click on the socket cover is securely attached.
3. Make sure that the socket cover is securely attached to the processor socket assembly.
• If you plan to recycle the component, see “Disassemble the system board assembly for recycle” on page
333
.
Install the system I/O board or processor board
Follow instructions in this section to install the system I/O board or processor board.
About this task
Important:
• This task must be operated by trained technicians that are certified by Lenovo Service. Do no attempt to
remove or install it without proper training and qualification.
Chapter 5. Hardware replacement procedures 203
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