Lenovo ThinkSystem SD550 V3 User Manual page 204

Figure 127. Removal of the system board
After this task is completed
1. Install a replacement unit (see
2. 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 returning the system board, make sure to install the processor socket covers from
the new system board. Follow the steps below to replace a processor socket cover:
a. Take a socket cover from the processor socket assembly on the new system board and orient it
correctly above the processor socket assembly on the removed system board.
b. 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 when it is securely
attached.
c. Make sure that the socket cover is securely attached to the processor socket assembly.
Install a system board (Trained technician only)
Follow instructions in this section to install a system 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.
To avoid potential danger, make sure to read and follow the safety information.
Attention:
ThinkSystem SD550 V3 User Guide
194
"Install a system board (Trained technician only)" on page 194).