Lenovo ThinkEdge SE455 V3 User Manual page 71

Remove the M.2 air baffle
Follow instructions in this section to remove the M.2 air baffle.
About this task
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• If applicable, remove the security bezel. See
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• If the server is installed in a rack, remove the server from the rack. See
on page 49.
Procedure
Step 1. Make preparation for this task.
a. Remove the top cover. See
b. If applicable, remove all the internal drives. See
c. If applicable, remove the internal drive backplane. See
on page 107.
d. If applicable, remove internal drive cage. See
Step 2. Loosen the two screws that secure the M.2 air baffle; then, remove the air baffle.
Attention: For proper cooling and airflow, reinstall the air baffle before turning on the server.
Operating the server with the air baffle removed might damage server components.
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
"Remove the top cover" on page
"Remove the server from the rack"
223.
"Remove an internal drive" on page
"Remove the internal drive backplane"
"Remove the internal drive cage" on page
.
Chapter 5 Hardware replacement procedures
to ensure that you
195.
105.
109.
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