Lenovo ThinkSystem SN550, Maintenance Manual

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Note: All adapter-attention assembly parts are shown. Replace the parts that are needed and save
the unused parts for future use.
Step 3. Using a T10 Torx screwdriver, install the screws that secure each part of the adapter-retention
assembly that you are installing.
Step 4. Carefully return the compute node to the bottom-side-down orientation.
After you install the adapter-retention assembly, complete the following steps:
1. Install the I/O expansion adapters, if you removed them (see “Install an I/O expansion adapter” on page
58).
2. Install the air baffle (see “Install the air baffle” on page 32).
3. Install the compute node cover (see “Install the compute node cover” on page 43 ).
4. Install the compute node into the chassis (see “Install the compute node in the chassis” on page 25 ).
5. Power on the compute node.
Bezel replacement
Use the following information to remove and install the bezel.
Remove the bezel
Use this information to remove the bezel.
Before you remove the bezel, read safety information and guidelines to ensure that you work safely.
• Read “Safety” on page iii and “Installation Guidelines” on page 21 to ensure that you work safely.
• Power off the corresponding compute node that you are going to perform the task on.
Note: Several different types of bezel can be installed in the compute node: all are removed and installed in a
similar manner. The bezel shown in the illustrations might differ slightly from the bezel installed in your
compute node.
To remove the bezel, complete the following steps:
Watch the procedure . A video of the installation process is available:
• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-B4_LYuT9X1MRWBU6UzX9gO
• Youku: http://list.youku.com/albumlist/show/id_50481482
Chapter 3
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Hardware replacement procedures
35