Lenovo ThinkSystem SR645 V3 User Manual page 138

A video of this procedure is available at YouTube:
CTkyVDu-5Lhy1r9G-4PQGl
Procedure
Step 1. Use the key to unlock the security bezel.
Figure 94. Unlocking the security bezel
Step 2. Remove the security bezel.
Attention: Before you ship the rack with the server installed, reinstall and lock the security bezel
into place.
Figure 95. Security bezel removal
a. Press the release latch.
b. Rotate the security bezel outward to remove it from the chassis.
ThinkSystem SR645 V3 User Guide
128
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https://www.youtube.com/playlist?list=PLYV5R7hVcs-